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Finding the Fourth Proportional to 625,633.60, 938,452.32 and 152,319.04

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Solution

The fourth proportional to 625,633.60, 938,452.32 and 152,319.04 is: 228,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,633.60 : 938,452.32 = 152,319.04 : x
  2. Step 2: Convert to fraction form
    625,633.60/938,452.32 = 152,319.04/x
  3. Step 3: Cross multiply
    625,633.60x = 938,452.32 × 152,319.04
  4. Step 4: Simplify right side
    625,633.60x = 142,944,156,468.17
  5. Step 5: Solve for x
    x = 142,944,156,468.17/625,633.60
  6. Step 6: Final answer
    x = 228,479.03

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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.