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Finding the Fourth Proportional to 367,306.74, 550,959.30 and 130,658.76

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Solution

The fourth proportional to 367,306.74, 550,959.30 and 130,658.76 is: 195,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,306.74 : 550,959.30 = 130,658.76 : x
  2. Step 2: Convert to fraction form
    367,306.74/550,959.30 = 130,658.76/x
  3. Step 3: Cross multiply
    367,306.74x = 550,959.30 × 130,658.76
  4. Step 4: Simplify right side
    367,306.74x = 71,987,658,948.47
  5. Step 5: Solve for x
    x = 71,987,658,948.47/367,306.74
  6. Step 6: Final answer
    x = 195,987.85

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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.