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Finding the Fourth Proportional to 367,077.30, 550,615.95 and 130,443.90

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Solution

The fourth proportional to 367,077.30, 550,615.95 and 130,443.90 is: 195,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,077.30 : 550,615.95 = 130,443.90 : x
  2. Step 2: Convert to fraction form
    367,077.30/550,615.95 = 130,443.90/x
  3. Step 3: Cross multiply
    367,077.30x = 550,615.95 × 130,443.90
  4. Step 4: Simplify right side
    367,077.30x = 71,824,491,920.21
  5. Step 5: Solve for x
    x = 71,824,491,920.21/367,077.30
  6. Step 6: Final answer
    x = 195,665.85

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Similar ratio
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1.5x scale

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.