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Finding the Fourth Proportional to 218,246.56, 299,874.92 and 173,456.80

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Solution

The fourth proportional to 218,246.56, 299,874.92 and 173,456.80 is: 238,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,246.56 : 299,874.92 = 173,456.80 : x
  2. Step 2: Convert to fraction form
    218,246.56/299,874.92 = 173,456.80/x
  3. Step 3: Cross multiply
    218,246.56x = 299,874.92 × 173,456.80
  4. Step 4: Simplify right side
    218,246.56x = 52,015,344,023.46
  5. Step 5: Solve for x
    x = 52,015,344,023.46/218,246.56
  6. Step 6: Final answer
    x = 238,332.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.