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Finding the Fourth Proportional to 488,942.90, 733,414.35 and 472,613.30

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Solution

The fourth proportional to 488,942.90, 733,414.35 and 472,613.30 is: 708,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,942.90 : 733,414.35 = 472,613.30 : x
  2. Step 2: Convert to fraction form
    488,942.90/733,414.35 = 472,613.30/x
  3. Step 3: Cross multiply
    488,942.90x = 733,414.35 × 472,613.30
  4. Step 4: Simplify right side
    488,942.90x = 346,621,376,220.86
  5. Step 5: Solve for x
    x = 346,621,376,220.86/488,942.90
  6. Step 6: Final answer
    x = 708,919.95

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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.