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Finding the Fourth Proportional to 265,023.60, 396,952.20 and 235,474.80

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Solution

The fourth proportional to 265,023.60, 396,952.20 and 235,474.80 is: 352,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,023.60 : 396,952.20 = 235,474.80 : x
  2. Step 2: Convert to fraction form
    265,023.60/396,952.20 = 235,474.80/x
  3. Step 3: Cross multiply
    265,023.60x = 396,952.20 × 235,474.80
  4. Step 4: Simplify right side
    265,023.60x = 93,472,239,904.56
  5. Step 5: Solve for x
    x = 93,472,239,904.56/265,023.60
  6. Step 6: Final answer
    x = 352,694.02

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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.