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Finding the Fourth Proportional to 215,549.70, 322,772.49 and 179,922.44

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Solution

The fourth proportional to 215,549.70, 322,772.49 and 179,922.44 is: 269,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,549.70 : 322,772.49 = 179,922.44 : x
  2. Step 2: Convert to fraction form
    215,549.70/322,772.49 = 179,922.44/x
  3. Step 3: Cross multiply
    215,549.70x = 322,772.49 × 179,922.44
  4. Step 4: Simplify right side
    215,549.70x = 58,074,012,957.01
  5. Step 5: Solve for x
    x = 58,074,012,957.01/215,549.70
  6. Step 6: Final answer
    x = 269,422.85

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1.5x scale

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.