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Finding the Fourth Proportional to 633,159.27, 873,753.14 and 342,764.31

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Solution

The fourth proportional to 633,159.27, 873,753.14 and 342,764.31 is: 473,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,159.27 : 873,753.14 = 342,764.31 : x
  2. Step 2: Convert to fraction form
    633,159.27/873,753.14 = 342,764.31/x
  3. Step 3: Cross multiply
    633,159.27x = 873,753.14 × 342,764.31
  4. Step 4: Simplify right side
    633,159.27x = 299,491,390,428.61
  5. Step 5: Solve for x
    x = 299,491,390,428.61/633,159.27
  6. Step 6: Final answer
    x = 473,011.14

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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.