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Finding the Fourth Proportional to 327,373.98, 491,059.62 and 90,715.98

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Solution

The fourth proportional to 327,373.98, 491,059.62 and 90,715.98 is: 136,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,373.98 : 491,059.62 = 90,715.98 : x
  2. Step 2: Convert to fraction form
    327,373.98/491,059.62 = 90,715.98/x
  3. Step 3: Cross multiply
    327,373.98x = 491,059.62 × 90,715.98
  4. Step 4: Simplify right side
    327,373.98x = 44,546,954,666.73
  5. Step 5: Solve for x
    x = 44,546,954,666.73/327,373.98
  6. Step 6: Final answer
    x = 136,073.60

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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.