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Finding the Fourth Proportional to 367,318.92, 550,726.84 and 187,055.41

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Solution

The fourth proportional to 367,318.92, 550,726.84 and 187,055.41 is: 280,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,318.92 : 550,726.84 = 187,055.41 : x
  2. Step 2: Convert to fraction form
    367,318.92/550,726.84 = 187,055.41/x
  3. Step 3: Cross multiply
    367,318.92x = 550,726.84 × 187,055.41
  4. Step 4: Simplify right side
    367,318.92x = 103,016,433,945.03
  5. Step 5: Solve for x
    x = 103,016,433,945.03/367,318.92
  6. Step 6: Final answer
    x = 280,455.02

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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.