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Finding the Fourth Proportional to 558,652.70, 838,028.46 and 159,284.90

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Solution

The fourth proportional to 558,652.70, 838,028.46 and 159,284.90 is: 238,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,652.70 : 838,028.46 = 159,284.90 : x
  2. Step 2: Convert to fraction form
    558,652.70/838,028.46 = 159,284.90/x
  3. Step 3: Cross multiply
    558,652.70x = 838,028.46 × 159,284.90
  4. Step 4: Simplify right side
    558,652.70x = 133,485,275,258.11
  5. Step 5: Solve for x
    x = 133,485,275,258.11/558,652.70
  6. Step 6: Final answer
    x = 238,941.43

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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.