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Finding the Fourth Proportional to 463.55, 695.36 and 134.48

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Solution

The fourth proportional to 463.55, 695.36 and 134.48 is: 201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.55 : 695.36 = 134.48 : x
  2. Step 2: Convert to fraction form
    463.55/695.36 = 134.48/x
  3. Step 3: Cross multiply
    463.55x = 695.36 × 134.48
  4. Step 4: Simplify right side
    463.55x = 93,514.09
  5. Step 5: Solve for x
    x = 93,514.09/463.55
  6. Step 6: Final answer
    x = 201.73

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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.