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Finding the Fourth Proportional to 488,613.57, 733,012.52 and 185,098.61

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Solution

The fourth proportional to 488,613.57, 733,012.52 and 185,098.61 is: 277,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,613.57 : 733,012.52 = 185,098.61 : x
  2. Step 2: Convert to fraction form
    488,613.57/733,012.52 = 185,098.61/x
  3. Step 3: Cross multiply
    488,613.57x = 733,012.52 × 185,098.61
  4. Step 4: Simplify right side
    488,613.57x = 135,679,593,974.04
  5. Step 5: Solve for x
    x = 135,679,593,974.04/488,613.57
  6. Step 6: Final answer
    x = 277,682.82

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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.