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Finding the Fourth Proportional to 568,532.80, 852,799.20 and 498,491.20

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Solution

The fourth proportional to 568,532.80, 852,799.20 and 498,491.20 is: 747,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,532.80 : 852,799.20 = 498,491.20 : x
  2. Step 2: Convert to fraction form
    568,532.80/852,799.20 = 498,491.20/x
  3. Step 3: Cross multiply
    568,532.80x = 852,799.20 × 498,491.20
  4. Step 4: Simplify right side
    568,532.80x = 425,112,896,567.04
  5. Step 5: Solve for x
    x = 425,112,896,567.04/568,532.80
  6. Step 6: Final answer
    x = 747,736.80

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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.