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Finding the Fourth Proportional to 327,322.04, 490,765.56 and 127,661.08

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Solution

The fourth proportional to 327,322.04, 490,765.56 and 127,661.08 is: 191,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,322.04 : 490,765.56 = 127,661.08 : x
  2. Step 2: Convert to fraction form
    327,322.04/490,765.56 = 127,661.08/x
  3. Step 3: Cross multiply
    327,322.04x = 490,765.56 × 127,661.08
  4. Step 4: Simplify right side
    327,322.04x = 62,651,661,416.40
  5. Step 5: Solve for x
    x = 62,651,661,416.40/327,322.04
  6. Step 6: Final answer
    x = 191,406.79

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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.