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Finding the Fourth Proportional to 484,410.17, 726,689.07 and 247,672.89

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Solution

The fourth proportional to 484,410.17, 726,689.07 and 247,672.89 is: 371,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,410.17 : 726,689.07 = 247,672.89 : x
  2. Step 2: Convert to fraction form
    484,410.17/726,689.07 = 247,672.89/x
  3. Step 3: Cross multiply
    484,410.17x = 726,689.07 × 247,672.89
  4. Step 4: Simplify right side
    484,410.17x = 179,981,182,098.31
  5. Step 5: Solve for x
    x = 179,981,182,098.31/484,410.17
  6. Step 6: Final answer
    x = 371,547.07

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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.