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Finding the Fourth Proportional to 651,554.80, 977,299.80 and 336,043.60

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Solution

The fourth proportional to 651,554.80, 977,299.80 and 336,043.60 is: 504,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,554.80 : 977,299.80 = 336,043.60 : x
  2. Step 2: Convert to fraction form
    651,554.80/977,299.80 = 336,043.60/x
  3. Step 3: Cross multiply
    651,554.80x = 977,299.80 × 336,043.60
  4. Step 4: Simplify right side
    651,554.80x = 328,415,343,071.28
  5. Step 5: Solve for x
    x = 328,415,343,071.28/651,554.80
  6. Step 6: Final answer
    x = 504,048.69

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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.