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Finding the Fourth Proportional to 558,993.64, 838,372.69 and 179,948.20

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Solution

The fourth proportional to 558,993.64, 838,372.69 and 179,948.20 is: 269,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,993.64 : 838,372.69 = 179,948.20 : x
  2. Step 2: Convert to fraction form
    558,993.64/838,372.69 = 179,948.20/x
  3. Step 3: Cross multiply
    558,993.64x = 838,372.69 × 179,948.20
  4. Step 4: Simplify right side
    558,993.64x = 150,863,656,494.66
  5. Step 5: Solve for x
    x = 150,863,656,494.66/558,993.64
  6. Step 6: Final answer
    x = 269,884.39

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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.