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Finding the Fourth Proportional to 367,444.30, 550,951.95 and 142,541.95

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Solution

The fourth proportional to 367,444.30, 550,951.95 and 142,541.95 is: 213,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,444.30 : 550,951.95 = 142,541.95 : x
  2. Step 2: Convert to fraction form
    367,444.30/550,951.95 = 142,541.95/x
  3. Step 3: Cross multiply
    367,444.30x = 550,951.95 × 142,541.95
  4. Step 4: Simplify right side
    367,444.30x = 78,533,765,309.30
  5. Step 5: Solve for x
    x = 78,533,765,309.30/367,444.30
  6. Step 6: Final answer
    x = 213,729.71

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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.