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Finding the Fourth Proportional to 463.86, 695.79 and 233.03

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Solution

The fourth proportional to 463.86, 695.79 and 233.03 is: 349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.86 : 695.79 = 233.03 : x
  2. Step 2: Convert to fraction form
    463.86/695.79 = 233.03/x
  3. Step 3: Cross multiply
    463.86x = 695.79 × 233.03
  4. Step 4: Simplify right side
    463.86x = 162,141.68
  5. Step 5: Solve for x
    x = 162,141.68/463.86
  6. Step 6: Final answer
    x = 349.55

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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.