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Finding the Fourth Proportional to 534,105.15, 737,082.54 and 292,387.74

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Solution

The fourth proportional to 534,105.15, 737,082.54 and 292,387.74 is: 403,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,105.15 : 737,082.54 = 292,387.74 : x
  2. Step 2: Convert to fraction form
    534,105.15/737,082.54 = 292,387.74/x
  3. Step 3: Cross multiply
    534,105.15x = 737,082.54 × 292,387.74
  4. Step 4: Simplify right side
    534,105.15x = 215,513,898,064.06
  5. Step 5: Solve for x
    x = 215,513,898,064.06/534,105.15
  6. Step 6: Final answer
    x = 403,504.62

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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.