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Finding the Fourth Proportional to 453,610.78, 625,722.17 and 283,549.66

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Solution

The fourth proportional to 453,610.78, 625,722.17 and 283,549.66 is: 391,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,610.78 : 625,722.17 = 283,549.66 : x
  2. Step 2: Convert to fraction form
    453,610.78/625,722.17 = 283,549.66/x
  3. Step 3: Cross multiply
    453,610.78x = 625,722.17 × 283,549.66
  4. Step 4: Simplify right side
    453,610.78x = 177,423,309,095.60
  5. Step 5: Solve for x
    x = 177,423,309,095.60/453,610.78
  6. Step 6: Final answer
    x = 391,135.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.