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Finding the Fourth Proportional to 322,997.32, 484,139.13 and 133,353.14

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Solution

The fourth proportional to 322,997.32, 484,139.13 and 133,353.14 is: 199,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,997.32 : 484,139.13 = 133,353.14 : x
  2. Step 2: Convert to fraction form
    322,997.32/484,139.13 = 133,353.14/x
  3. Step 3: Cross multiply
    322,997.32x = 484,139.13 × 133,353.14
  4. Step 4: Simplify right side
    322,997.32x = 64,561,470,261.60
  5. Step 5: Solve for x
    x = 64,561,470,261.60/322,997.32
  6. Step 6: Final answer
    x = 199,882.37

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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.