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Finding the Fourth Proportional to 218,378.91, 327,568.27 and 60,607.32

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Solution

The fourth proportional to 218,378.91, 327,568.27 and 60,607.32 is: 90,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,378.91 : 327,568.27 = 60,607.32 : x
  2. Step 2: Convert to fraction form
    218,378.91/327,568.27 = 60,607.32/x
  3. Step 3: Cross multiply
    218,378.91x = 327,568.27 × 60,607.32
  4. Step 4: Simplify right side
    218,378.91x = 19,853,033,695.48
  5. Step 5: Solve for x
    x = 19,853,033,695.48/218,378.91
  6. Step 6: Final answer
    x = 90,910.95

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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.