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Finding the Fourth Proportional to 558,656.22, 838,033.72 and 159,288.42

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Solution

The fourth proportional to 558,656.22, 838,033.72 and 159,288.42 is: 238,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,656.22 : 838,033.72 = 159,288.42 : x
  2. Step 2: Convert to fraction form
    558,656.22/838,033.72 = 159,288.42/x
  3. Step 3: Cross multiply
    558,656.22x = 838,033.72 × 159,288.42
  4. Step 4: Simplify right side
    558,656.22x = 133,489,067,165.52
  5. Step 5: Solve for x
    x = 133,489,067,165.52/558,656.22
  6. Step 6: Final answer
    x = 238,946.71

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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.