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Finding the Fourth Proportional to 484,710.39, 668,922.17 and 269,863.92

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Solution

The fourth proportional to 484,710.39, 668,922.17 and 269,863.92 is: 372,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,710.39 : 668,922.17 = 269,863.92 : x
  2. Step 2: Convert to fraction form
    484,710.39/668,922.17 = 269,863.92/x
  3. Step 3: Cross multiply
    484,710.39x = 668,922.17 × 269,863.92
  4. Step 4: Simplify right side
    484,710.39x = 180,517,957,621.79
  5. Step 5: Solve for x
    x = 180,517,957,621.79/484,710.39
  6. Step 6: Final answer
    x = 372,424.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.