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Finding the Fourth Proportional to 578,375.94, 867,538.38 and 157,651.83

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Solution

The fourth proportional to 578,375.94, 867,538.38 and 157,651.83 is: 236,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,375.94 : 867,538.38 = 157,651.83 : x
  2. Step 2: Convert to fraction form
    578,375.94/867,538.38 = 157,651.83/x
  3. Step 3: Cross multiply
    578,375.94x = 867,538.38 × 157,651.83
  4. Step 4: Simplify right side
    578,375.94x = 136,769,013,202.24
  5. Step 5: Solve for x
    x = 136,769,013,202.24/578,375.94
  6. Step 6: Final answer
    x = 236,470.79

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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.