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Finding the Fourth Proportional to 552,572.60, 826,785.30 and 502,806.20

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Solution

The fourth proportional to 552,572.60, 826,785.30 and 502,806.20 is: 752,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,572.60 : 826,785.30 = 502,806.20 : x
  2. Step 2: Convert to fraction form
    552,572.60/826,785.30 = 502,806.20/x
  3. Step 3: Cross multiply
    552,572.60x = 826,785.30 × 502,806.20
  4. Step 4: Simplify right side
    552,572.60x = 415,712,774,908.86
  5. Step 5: Solve for x
    x = 415,712,774,908.86/552,572.60
  6. Step 6: Final answer
    x = 752,322.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.