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Finding the Fourth Proportional to 378,794.28, 522,925.38 and 235,600.52

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Solution

The fourth proportional to 378,794.28, 522,925.38 and 235,600.52 is: 325,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,794.28 : 522,925.38 = 235,600.52 : x
  2. Step 2: Convert to fraction form
    378,794.28/522,925.38 = 235,600.52/x
  3. Step 3: Cross multiply
    378,794.28x = 522,925.38 × 235,600.52
  4. Step 4: Simplify right side
    378,794.28x = 123,201,491,449.20
  5. Step 5: Solve for x
    x = 123,201,491,449.20/378,794.28
  6. Step 6: Final answer
    x = 325,246.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.