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Finding the Fourth Proportional to 371,870.82, 558,024.87 and 147,252.90

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Solution

The fourth proportional to 371,870.82, 558,024.87 and 147,252.90 is: 220,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,870.82 : 558,024.87 = 147,252.90 : x
  2. Step 2: Convert to fraction form
    371,870.82/558,024.87 = 147,252.90/x
  3. Step 3: Cross multiply
    371,870.82x = 558,024.87 × 147,252.90
  4. Step 4: Simplify right side
    371,870.82x = 82,170,780,379.62
  5. Step 5: Solve for x
    x = 82,170,780,379.62/371,870.82
  6. Step 6: Final answer
    x = 220,965.93

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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.