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Finding the Fourth Proportional to 581,891.73, 803,515.17 and 429,194.58

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Solution

The fourth proportional to 581,891.73, 803,515.17 and 429,194.58 is: 592,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,891.73 : 803,515.17 = 429,194.58 : x
  2. Step 2: Convert to fraction form
    581,891.73/803,515.17 = 429,194.58/x
  3. Step 3: Cross multiply
    581,891.73x = 803,515.17 × 429,194.58
  4. Step 4: Simplify right side
    581,891.73x = 344,864,355,911.78
  5. Step 5: Solve for x
    x = 344,864,355,911.78/581,891.73
  6. Step 6: Final answer
    x = 592,660.69

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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.