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Finding the Fourth Proportional to 552,221.80, 827,166.30 and 458,909.80

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Solution

The fourth proportional to 552,221.80, 827,166.30 and 458,909.80 is: 687,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,221.80 : 827,166.30 = 458,909.80 : x
  2. Step 2: Convert to fraction form
    552,221.80/827,166.30 = 458,909.80/x
  3. Step 3: Cross multiply
    552,221.80x = 827,166.30 × 458,909.80
  4. Step 4: Simplify right side
    552,221.80x = 379,594,721,299.74
  5. Step 5: Solve for x
    x = 379,594,721,299.74/552,221.80
  6. Step 6: Final answer
    x = 687,395.39

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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.