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Finding the Fourth Proportional to 367,031.80, 550,418.10 and 130,382.20

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Solution

The fourth proportional to 367,031.80, 550,418.10 and 130,382.20 is: 195,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,031.80 : 550,418.10 = 130,382.20 : x
  2. Step 2: Convert to fraction form
    367,031.80/550,418.10 = 130,382.20/x
  3. Step 3: Cross multiply
    367,031.80x = 550,418.10 × 130,382.20
  4. Step 4: Simplify right side
    367,031.80x = 71,764,722,797.82
  5. Step 5: Solve for x
    x = 71,764,722,797.82/367,031.80
  6. Step 6: Final answer
    x = 195,527.26

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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.