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Finding the Fourth Proportional to 327,588.03, 491,384.80 and 90,949.16

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Solution

The fourth proportional to 327,588.03, 491,384.80 and 90,949.16 is: 136,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,588.03 : 491,384.80 = 90,949.16 : x
  2. Step 2: Convert to fraction form
    327,588.03/491,384.80 = 90,949.16/x
  3. Step 3: Cross multiply
    327,588.03x = 491,384.80 × 90,949.16
  4. Step 4: Simplify right side
    327,588.03x = 44,691,035,570.48
  5. Step 5: Solve for x
    x = 44,691,035,570.48/327,588.03
  6. Step 6: Final answer
    x = 136,424.51

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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.