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Finding the Fourth Proportional to 625,484.16, 938,225.88 and 251,419.68

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Solution

The fourth proportional to 625,484.16, 938,225.88 and 251,419.68 is: 377,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,484.16 : 938,225.88 = 251,419.68 : x
  2. Step 2: Convert to fraction form
    625,484.16/938,225.88 = 251,419.68/x
  3. Step 3: Cross multiply
    625,484.16x = 938,225.88 × 251,419.68
  4. Step 4: Simplify right side
    625,484.16x = 235,888,450,517.32
  5. Step 5: Solve for x
    x = 235,888,450,517.32/625,484.16
  6. Step 6: Final answer
    x = 377,129.38

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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.