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Finding the Fourth Proportional to 327,372.48, 491,068.62 and 127,684.80

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Solution

The fourth proportional to 327,372.48, 491,068.62 and 127,684.80 is: 191,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,372.48 : 491,068.62 = 127,684.80 : x
  2. Step 2: Convert to fraction form
    327,372.48/491,068.62 = 127,684.80/x
  3. Step 3: Cross multiply
    327,372.48x = 491,068.62 × 127,684.80
  4. Step 4: Simplify right side
    327,372.48x = 62,701,998,530.98
  5. Step 5: Solve for x
    x = 62,701,998,530.98/327,372.48
  6. Step 6: Final answer
    x = 191,531.06

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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.