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Finding the Fourth Proportional to 558,726.56, 838,117.52 and 159,426.15

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Solution

The fourth proportional to 558,726.56, 838,117.52 and 159,426.15 is: 239,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,726.56 : 838,117.52 = 159,426.15 : x
  2. Step 2: Convert to fraction form
    558,726.56/838,117.52 = 159,426.15/x
  3. Step 3: Cross multiply
    558,726.56x = 838,117.52 × 159,426.15
  4. Step 4: Simplify right side
    558,726.56x = 133,617,848,251.94
  5. Step 5: Solve for x
    x = 133,617,848,251.94/558,726.56
  6. Step 6: Final answer
    x = 239,147.12

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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.