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Finding the Fourth Proportional to 484,805.85, 726,871.52 and 214,787.49

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Solution

The fourth proportional to 484,805.85, 726,871.52 and 214,787.49 is: 322,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,805.85 : 726,871.52 = 214,787.49 : x
  2. Step 2: Convert to fraction form
    484,805.85/726,871.52 = 214,787.49/x
  3. Step 3: Cross multiply
    484,805.85x = 726,871.52 × 214,787.49
  4. Step 4: Simplify right side
    484,805.85x = 156,122,908,259.35
  5. Step 5: Solve for x
    x = 156,122,908,259.35/484,805.85
  6. Step 6: Final answer
    x = 322,031.82

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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.