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Finding the Fourth Proportional to 415,809.60, 573,753.60 and 234,513.60

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Solution

The fourth proportional to 415,809.60, 573,753.60 and 234,513.60 is: 323,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,809.60 : 573,753.60 = 234,513.60 : x
  2. Step 2: Convert to fraction form
    415,809.60/573,753.60 = 234,513.60/x
  3. Step 3: Cross multiply
    415,809.60x = 573,753.60 × 234,513.60
  4. Step 4: Simplify right side
    415,809.60x = 134,553,022,248.96
  5. Step 5: Solve for x
    x = 134,553,022,248.96/415,809.60
  6. Step 6: Final answer
    x = 323,592.87

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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.