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Finding the Fourth Proportional to 587,010.78, 880,910.82 and 207,930.24

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Solution

The fourth proportional to 587,010.78, 880,910.82 and 207,930.24 is: 312,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,010.78 : 880,910.82 = 207,930.24 : x
  2. Step 2: Convert to fraction form
    587,010.78/880,910.82 = 207,930.24/x
  3. Step 3: Cross multiply
    587,010.78x = 880,910.82 × 207,930.24
  4. Step 4: Simplify right side
    587,010.78x = 183,167,998,221.20
  5. Step 5: Solve for x
    x = 183,167,998,221.20/587,010.78
  6. Step 6: Final answer
    x = 312,035.15

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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.