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Finding the Fourth Proportional to 652,279.20, 977,497.20 and 482,474.40

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Solution

The fourth proportional to 652,279.20, 977,497.20 and 482,474.40 is: 723,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,279.20 : 977,497.20 = 482,474.40 : x
  2. Step 2: Convert to fraction form
    652,279.20/977,497.20 = 482,474.40/x
  3. Step 3: Cross multiply
    652,279.20x = 977,497.20 × 482,474.40
  4. Step 4: Simplify right side
    652,279.20x = 471,617,375,071.68
  5. Step 5: Solve for x
    x = 471,617,375,071.68/652,279.20
  6. Step 6: Final answer
    x = 723,029.92

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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.