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Finding the Fourth Proportional to 451,711.52, 623,390.28 and 250,507.52

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Solution

The fourth proportional to 451,711.52, 623,390.28 and 250,507.52 is: 345,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,711.52 : 623,390.28 = 250,507.52 : x
  2. Step 2: Convert to fraction form
    451,711.52/623,390.28 = 250,507.52/x
  3. Step 3: Cross multiply
    451,711.52x = 623,390.28 × 250,507.52
  4. Step 4: Simplify right side
    451,711.52x = 156,163,953,034.91
  5. Step 5: Solve for x
    x = 156,163,953,034.91/451,711.52
  6. Step 6: Final answer
    x = 345,716.12

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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.