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Finding the Fourth Proportional to 266,422.91, 367,489.31 and 158,920.92

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Solution

The fourth proportional to 266,422.91, 367,489.31 and 158,920.92 is: 219,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,422.91 : 367,489.31 = 158,920.92 : x
  2. Step 2: Convert to fraction form
    266,422.91/367,489.31 = 158,920.92/x
  3. Step 3: Cross multiply
    266,422.91x = 367,489.31 × 158,920.92
  4. Step 4: Simplify right side
    266,422.91x = 58,401,738,440.76
  5. Step 5: Solve for x
    x = 58,401,738,440.76/266,422.91
  6. Step 6: Final answer
    x = 219,206.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.