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Finding the Fourth Proportional to 531,511.67, 732,890.21 and 434,414.17

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Solution

The fourth proportional to 531,511.67, 732,890.21 and 434,414.17 is: 599,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,511.67 : 732,890.21 = 434,414.17 : x
  2. Step 2: Convert to fraction form
    531,511.67/732,890.21 = 434,414.17/x
  3. Step 3: Cross multiply
    531,511.67x = 732,890.21 × 434,414.17
  4. Step 4: Simplify right side
    531,511.67x = 318,377,888,273.98
  5. Step 5: Solve for x
    x = 318,377,888,273.98/531,511.67
  6. Step 6: Final answer
    x = 599,004.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.