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Finding the Fourth Proportional to 218,432.46, 327,648.81 and 60,660.93

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Solution

The fourth proportional to 218,432.46, 327,648.81 and 60,660.93 is: 90,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,432.46 : 327,648.81 = 60,660.93 : x
  2. Step 2: Convert to fraction form
    218,432.46/327,648.81 = 60,660.93/x
  3. Step 3: Cross multiply
    218,432.46x = 327,648.81 × 60,660.93
  4. Step 4: Simplify right side
    218,432.46x = 19,875,481,527.99
  5. Step 5: Solve for x
    x = 19,875,481,527.99/218,432.46
  6. Step 6: Final answer
    x = 90,991.43

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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.