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Finding the Fourth Proportional to 536,657.80, 804,986.70 and 333,704.20

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Solution

The fourth proportional to 536,657.80, 804,986.70 and 333,704.20 is: 500,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,657.80 : 804,986.70 = 333,704.20 : x
  2. Step 2: Convert to fraction form
    536,657.80/804,986.70 = 333,704.20/x
  3. Step 3: Cross multiply
    536,657.80x = 804,986.70 × 333,704.20
  4. Step 4: Simplify right side
    536,657.80x = 268,627,442,734.14
  5. Step 5: Solve for x
    x = 268,627,442,734.14/536,657.80
  6. Step 6: Final answer
    x = 500,556.30

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Double scale
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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.