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Finding the Fourth Proportional to 327,345.60, 491,018.40 and 169,622.40

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Solution

The fourth proportional to 327,345.60, 491,018.40 and 169,622.40 is: 254,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,345.60 : 491,018.40 = 169,622.40 : x
  2. Step 2: Convert to fraction form
    327,345.60/491,018.40 = 169,622.40/x
  3. Step 3: Cross multiply
    327,345.60x = 491,018.40 × 169,622.40
  4. Step 4: Simplify right side
    327,345.60x = 83,287,719,452.16
  5. Step 5: Solve for x
    x = 83,287,719,452.16/327,345.60
  6. Step 6: Final answer
    x = 254,433.60

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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.