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Finding the Fourth Proportional to 463.92, 695.76 and 268.50

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Solution

The fourth proportional to 463.92, 695.76 and 268.50 is: 402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.92 : 695.76 = 268.50 : x
  2. Step 2: Convert to fraction form
    463.92/695.76 = 268.50/x
  3. Step 3: Cross multiply
    463.92x = 695.76 × 268.50
  4. Step 4: Simplify right side
    463.92x = 186,811.56
  5. Step 5: Solve for x
    x = 186,811.56/463.92
  6. Step 6: Final answer
    x = 402.68

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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.