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Finding the Fourth Proportional to 322,254.64, 444,724.02 and 220,493.53

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Solution

The fourth proportional to 322,254.64, 444,724.02 and 220,493.53 is: 304,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,254.64 : 444,724.02 = 220,493.53 : x
  2. Step 2: Convert to fraction form
    322,254.64/444,724.02 = 220,493.53/x
  3. Step 3: Cross multiply
    322,254.64x = 444,724.02 × 220,493.53
  4. Step 4: Simplify right side
    322,254.64x = 98,058,769,045.59
  5. Step 5: Solve for x
    x = 98,058,769,045.59/322,254.64
  6. Step 6: Final answer
    x = 304,289.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.