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Finding the Fourth Proportional to 744,397.72, 1,027,536.06 and 442,591

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Solution

The fourth proportional to 744,397.72, 1,027,536.06 and 442,591 is: 610,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,397.72 : 1,027,536.06 = 442,591 : x
  2. Step 2: Convert to fraction form
    744,397.72/1,027,536.06 = 442,591/x
  3. Step 3: Cross multiply
    744,397.72x = 1,027,536.06 × 442,591
  4. Step 4: Simplify right side
    744,397.72x = 454,778,212,331.46
  5. Step 5: Solve for x
    x = 454,778,212,331.46/744,397.72
  6. Step 6: Final answer
    x = 610,934.45

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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.