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Finding the Fourth Proportional to 625,459.12, 938,247.12 and 176,179.27

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Solution

The fourth proportional to 625,459.12, 938,247.12 and 176,179.27 is: 264,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,459.12 : 938,247.12 = 176,179.27 : x
  2. Step 2: Convert to fraction form
    625,459.12/938,247.12 = 176,179.27/x
  3. Step 3: Cross multiply
    625,459.12x = 938,247.12 × 176,179.27
  4. Step 4: Simplify right side
    625,459.12x = 165,299,692,681.20
  5. Step 5: Solve for x
    x = 165,299,692,681.20/625,459.12
  6. Step 6: Final answer
    x = 264,285.37

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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.