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Finding the Fourth Proportional to 484,004.52, 726,154.56 and 247,513.32

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Solution

The fourth proportional to 484,004.52, 726,154.56 and 247,513.32 is: 371,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,004.52 : 726,154.56 = 247,513.32 : x
  2. Step 2: Convert to fraction form
    484,004.52/726,154.56 = 247,513.32/x
  3. Step 3: Cross multiply
    484,004.52x = 726,154.56 × 247,513.32
  4. Step 4: Simplify right side
    484,004.52x = 179,732,925,978.74
  5. Step 5: Solve for x
    x = 179,732,925,978.74/484,004.52
  6. Step 6: Final answer
    x = 371,345.55

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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.