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Finding the Fourth Proportional to 497,805.90, 746,711.55 and 123,828.90

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Solution

The fourth proportional to 497,805.90, 746,711.55 and 123,828.90 is: 185,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,805.90 : 746,711.55 = 123,828.90 : x
  2. Step 2: Convert to fraction form
    497,805.90/746,711.55 = 123,828.90/x
  3. Step 3: Cross multiply
    497,805.90x = 746,711.55 × 123,828.90
  4. Step 4: Simplify right side
    497,805.90x = 92,464,469,853.80
  5. Step 5: Solve for x
    x = 92,464,469,853.80/497,805.90
  6. Step 6: Final answer
    x = 185,744.02

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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.