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Finding the Fourth Proportional to 327,549.30, 491,323.97 and 90,892.07

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Solution

The fourth proportional to 327,549.30, 491,323.97 and 90,892.07 is: 136,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,549.30 : 491,323.97 = 90,892.07 : x
  2. Step 2: Convert to fraction form
    327,549.30/491,323.97 = 90,892.07/x
  3. Step 3: Cross multiply
    327,549.30x = 491,323.97 × 90,892.07
  4. Step 4: Simplify right side
    327,549.30x = 44,657,449,762.84
  5. Step 5: Solve for x
    x = 44,657,449,762.84/327,549.30
  6. Step 6: Final answer
    x = 136,338.10

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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.