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Finding the Fourth Proportional to 265.62, 398.46 and 235.32

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Solution

The fourth proportional to 265.62, 398.46 and 235.32 is: 353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.62 : 398.46 = 235.32 : x
  2. Step 2: Convert to fraction form
    265.62/398.46 = 235.32/x
  3. Step 3: Cross multiply
    265.62x = 398.46 × 235.32
  4. Step 4: Simplify right side
    265.62x = 93,765.61
  5. Step 5: Solve for x
    x = 93,765.61/265.62
  6. Step 6: Final answer
    x = 353.01

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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.