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Finding the Fourth Proportional to 484,376.20, 726,564.30 and 484,376.20

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Solution

The fourth proportional to 484,376.20, 726,564.30 and 484,376.20 is: 726,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,376.20 : 726,564.30 = 484,376.20 : x
  2. Step 2: Convert to fraction form
    484,376.20/726,564.30 = 484,376.20/x
  3. Step 3: Cross multiply
    484,376.20x = 726,564.30 × 484,376.20
  4. Step 4: Simplify right side
    484,376.20x = 351,930,454,689.66
  5. Step 5: Solve for x
    x = 351,930,454,689.66/484,376.20
  6. Step 6: Final answer
    x = 726,564.30

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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.