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Finding the Fourth Proportional to 218,326.50, 327,489.69 and 60,554.97

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Solution

The fourth proportional to 218,326.50, 327,489.69 and 60,554.97 is: 90,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,326.50 : 327,489.69 = 60,554.97 : x
  2. Step 2: Convert to fraction form
    218,326.50/327,489.69 = 60,554.97/x
  3. Step 3: Cross multiply
    218,326.50x = 327,489.69 × 60,554.97
  4. Step 4: Simplify right side
    218,326.50x = 19,831,128,353.26
  5. Step 5: Solve for x
    x = 19,831,128,353.26/218,326.50
  6. Step 6: Final answer
    x = 90,832.44

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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.