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Finding the Fourth Proportional to 231,794.40, 347,691.60 and 148,850.40

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Solution

The fourth proportional to 231,794.40, 347,691.60 and 148,850.40 is: 223,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,794.40 : 347,691.60 = 148,850.40 : x
  2. Step 2: Convert to fraction form
    231,794.40/347,691.60 = 148,850.40/x
  3. Step 3: Cross multiply
    231,794.40x = 347,691.60 × 148,850.40
  4. Step 4: Simplify right side
    231,794.40x = 51,754,033,736.64
  5. Step 5: Solve for x
    x = 51,754,033,736.64/231,794.40
  6. Step 6: Final answer
    x = 223,275.60

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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.