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Finding the Fourth Proportional to 425,472.92, 586,924.55 and 272,346.35

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Solution

The fourth proportional to 425,472.92, 586,924.55 and 272,346.35 is: 375,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,472.92 : 586,924.55 = 272,346.35 : x
  2. Step 2: Convert to fraction form
    425,472.92/586,924.55 = 272,346.35/x
  3. Step 3: Cross multiply
    425,472.92x = 586,924.55 × 272,346.35
  4. Step 4: Simplify right side
    425,472.92x = 159,846,759,023.47
  5. Step 5: Solve for x
    x = 159,846,759,023.47/425,472.92
  6. Step 6: Final answer
    x = 375,691.97

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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.