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Finding the Fourth Proportional to 484,411.17, 726,690.57 and 247,673.89

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Solution

The fourth proportional to 484,411.17, 726,690.57 and 247,673.89 is: 371,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,411.17 : 726,690.57 = 247,673.89 : x
  2. Step 2: Convert to fraction form
    484,411.17/726,690.57 = 247,673.89/x
  3. Step 3: Cross multiply
    484,411.17x = 726,690.57 × 247,673.89
  4. Step 4: Simplify right side
    484,411.17x = 179,982,280,298.22
  5. Step 5: Solve for x
    x = 179,982,280,298.22/484,411.17
  6. Step 6: Final answer
    x = 371,548.58

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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.