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Finding the Fourth Proportional to 572,977.80, 859,466.70 and 199,000.80

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Solution

The fourth proportional to 572,977.80, 859,466.70 and 199,000.80 is: 298,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,977.80 : 859,466.70 = 199,000.80 : x
  2. Step 2: Convert to fraction form
    572,977.80/859,466.70 = 199,000.80/x
  3. Step 3: Cross multiply
    572,977.80x = 859,466.70 × 199,000.80
  4. Step 4: Simplify right side
    572,977.80x = 171,034,560,873.36
  5. Step 5: Solve for x
    x = 171,034,560,873.36/572,977.80
  6. Step 6: Final answer
    x = 298,501.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 572,978.80, 859,468.20 and 199,001.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.