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Finding the Fourth Proportional to 536,672.52, 805,105.98 and 220,957.20

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Solution

The fourth proportional to 536,672.52, 805,105.98 and 220,957.20 is: 331,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,672.52 : 805,105.98 = 220,957.20 : x
  2. Step 2: Convert to fraction form
    536,672.52/805,105.98 = 220,957.20/x
  3. Step 3: Cross multiply
    536,672.52x = 805,105.98 × 220,957.20
  4. Step 4: Simplify right side
    536,672.52x = 177,893,963,044.06
  5. Step 5: Solve for x
    x = 177,893,963,044.06/536,672.52
  6. Step 6: Final answer
    x = 331,475.82

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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.