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Finding the Fourth Proportional to 497,488.80, 746,233.20 and 453,943.20

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Solution

The fourth proportional to 497,488.80, 746,233.20 and 453,943.20 is: 680,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,488.80 : 746,233.20 = 453,943.20 : x
  2. Step 2: Convert to fraction form
    497,488.80/746,233.20 = 453,943.20/x
  3. Step 3: Cross multiply
    497,488.80x = 746,233.20 × 453,943.20
  4. Step 4: Simplify right side
    497,488.80x = 338,747,486,754.24
  5. Step 5: Solve for x
    x = 338,747,486,754.24/497,488.80
  6. Step 6: Final answer
    x = 680,914.80

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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.