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Finding the Fourth Proportional to 327,497.34, 491,245.98 and 90,840.03

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Solution

The fourth proportional to 327,497.34, 491,245.98 and 90,840.03 is: 136,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,497.34 : 491,245.98 = 90,840.03 : x
  2. Step 2: Convert to fraction form
    327,497.34/491,245.98 = 90,840.03/x
  3. Step 3: Cross multiply
    327,497.34x = 491,245.98 × 90,840.03
  4. Step 4: Simplify right side
    327,497.34x = 44,624,799,560.58
  5. Step 5: Solve for x
    x = 44,624,799,560.58/327,497.34
  6. Step 6: Final answer
    x = 136,260.04

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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.