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Finding the Fourth Proportional to 218,403.50, 327,607.06 and 60,644.24

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Solution

The fourth proportional to 218,403.50, 327,607.06 and 60,644.24 is: 90,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,403.50 : 327,607.06 = 60,644.24 : x
  2. Step 2: Convert to fraction form
    218,403.50/327,607.06 = 60,644.24/x
  3. Step 3: Cross multiply
    218,403.50x = 327,607.06 × 60,644.24
  4. Step 4: Simplify right side
    218,403.50x = 19,867,481,172.33
  5. Step 5: Solve for x
    x = 19,867,481,172.33/218,403.50
  6. Step 6: Final answer
    x = 90,966.86

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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.