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Finding the Fourth Proportional to 463.84, 695.86 and 203.83

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Solution

The fourth proportional to 463.84, 695.86 and 203.83 is: 305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.84 : 695.86 = 203.83 : x
  2. Step 2: Convert to fraction form
    463.84/695.86 = 203.83/x
  3. Step 3: Cross multiply
    463.84x = 695.86 × 203.83
  4. Step 4: Simplify right side
    463.84x = 141,833.66
  5. Step 5: Solve for x
    x = 141,833.66/463.84
  6. Step 6: Final answer
    x = 305.78

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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.