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Finding the Fourth Proportional to 327,597.48, 491,341.55 and 90,964.08

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Solution

The fourth proportional to 327,597.48, 491,341.55 and 90,964.08 is: 136,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,597.48 : 491,341.55 = 90,964.08 : x
  2. Step 2: Convert to fraction form
    327,597.48/491,341.55 = 90,964.08/x
  3. Step 3: Cross multiply
    327,597.48x = 491,341.55 × 90,964.08
  4. Step 4: Simplify right side
    327,597.48x = 44,694,431,606.70
  5. Step 5: Solve for x
    x = 44,694,431,606.70/327,597.48
  6. Step 6: Final answer
    x = 136,430.94

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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.