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Finding the Fourth Proportional to 488,778.10, 732,839.10 and 236,179.60

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Solution

The fourth proportional to 488,778.10, 732,839.10 and 236,179.60 is: 354,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,778.10 : 732,839.10 = 236,179.60 : x
  2. Step 2: Convert to fraction form
    488,778.10/732,839.10 = 236,179.60/x
  3. Step 3: Cross multiply
    488,778.10x = 732,839.10 × 236,179.60
  4. Step 4: Simplify right side
    488,778.10x = 173,081,645,502.36
  5. Step 5: Solve for x
    x = 173,081,645,502.36/488,778.10
  6. Step 6: Final answer
    x = 354,110.88

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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.