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Finding the Fourth Proportional to 552,201.80, 827,136.30 and 458,889.80

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Solution

The fourth proportional to 552,201.80, 827,136.30 and 458,889.80 is: 687,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,201.80 : 827,136.30 = 458,889.80 : x
  2. Step 2: Convert to fraction form
    552,201.80/827,136.30 = 458,889.80/x
  3. Step 3: Cross multiply
    552,201.80x = 827,136.30 × 458,889.80
  4. Step 4: Simplify right side
    552,201.80x = 379,564,411,279.74
  5. Step 5: Solve for x
    x = 379,564,411,279.74/552,201.80
  6. Step 6: Final answer
    x = 687,365.40

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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.