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Finding the Fourth Proportional to 367,318.76, 550,726.60 and 187,055.24

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Solution

The fourth proportional to 367,318.76, 550,726.60 and 187,055.24 is: 280,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,318.76 : 550,726.60 = 187,055.24 : x
  2. Step 2: Convert to fraction form
    367,318.76/550,726.60 = 187,055.24/x
  3. Step 3: Cross multiply
    367,318.76x = 550,726.60 × 187,055.24
  4. Step 4: Simplify right side
    367,318.76x = 103,016,298,113.60
  5. Step 5: Solve for x
    x = 103,016,298,113.60/367,318.76
  6. Step 6: Final answer
    x = 280,454.77

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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.