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Finding the Fourth Proportional to 529,487.60, 794,231.40 and 424,511.60

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Solution

The fourth proportional to 529,487.60, 794,231.40 and 424,511.60 is: 636,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,487.60 : 794,231.40 = 424,511.60 : x
  2. Step 2: Convert to fraction form
    529,487.60/794,231.40 = 424,511.60/x
  3. Step 3: Cross multiply
    529,487.60x = 794,231.40 × 424,511.60
  4. Step 4: Simplify right side
    529,487.60x = 337,160,442,384.24
  5. Step 5: Solve for x
    x = 337,160,442,384.24/529,487.60
  6. Step 6: Final answer
    x = 636,767.40

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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.