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Finding the Fourth Proportional to 558,992.64, 838,371.20 and 179,947.20

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Solution

The fourth proportional to 558,992.64, 838,371.20 and 179,947.20 is: 269,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,992.64 : 838,371.20 = 179,947.20 : x
  2. Step 2: Convert to fraction form
    558,992.64/838,371.20 = 179,947.20/x
  3. Step 3: Cross multiply
    558,992.64x = 838,371.20 × 179,947.20
  4. Step 4: Simplify right side
    558,992.64x = 150,862,549,100.90
  5. Step 5: Solve for x
    x = 150,862,549,100.90/558,992.64
  6. Step 6: Final answer
    x = 269,882.89

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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.