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Finding the Fourth Proportional to 522,654.24, 721,572.04 and 329,227.76

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Solution

The fourth proportional to 522,654.24, 721,572.04 and 329,227.76 is: 454,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,654.24 : 721,572.04 = 329,227.76 : x
  2. Step 2: Convert to fraction form
    522,654.24/721,572.04 = 329,227.76/x
  3. Step 3: Cross multiply
    522,654.24x = 721,572.04 × 329,227.76
  4. Step 4: Simplify right side
    522,654.24x = 237,561,546,407.83
  5. Step 5: Solve for x
    x = 237,561,546,407.83/522,654.24
  6. Step 6: Final answer
    x = 454,529.07

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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.