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Finding the Fourth Proportional to 327,339.60, 491,322.60 and 169,681.20

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Solution

The fourth proportional to 327,339.60, 491,322.60 and 169,681.20 is: 254,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,339.60 : 491,322.60 = 169,681.20 : x
  2. Step 2: Convert to fraction form
    327,339.60/491,322.60 = 169,681.20/x
  3. Step 3: Cross multiply
    327,339.60x = 491,322.60 × 169,681.20
  4. Step 4: Simplify right side
    327,339.60x = 83,368,208,355.12
  5. Step 5: Solve for x
    x = 83,368,208,355.12/327,339.60
  6. Step 6: Final answer
    x = 254,684.15

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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.