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Finding the Fourth Proportional to 484,843.32, 726,815.97 and 247,662.90

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Solution

The fourth proportional to 484,843.32, 726,815.97 and 247,662.90 is: 371,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,843.32 : 726,815.97 = 247,662.90 : x
  2. Step 2: Convert to fraction form
    484,843.32/726,815.97 = 247,662.90/x
  3. Step 3: Cross multiply
    484,843.32x = 726,815.97 × 247,662.90
  4. Step 4: Simplify right side
    484,843.32x = 180,005,350,896.51
  5. Step 5: Solve for x
    x = 180,005,350,896.51/484,843.32
  6. Step 6: Final answer
    x = 371,264.99

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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.