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Finding the Fourth Proportional to 463.69, 695.67 and 268.64

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Solution

The fourth proportional to 463.69, 695.67 and 268.64 is: 403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.69 : 695.67 = 268.64 : x
  2. Step 2: Convert to fraction form
    463.69/695.67 = 268.64/x
  3. Step 3: Cross multiply
    463.69x = 695.67 × 268.64
  4. Step 4: Simplify right side
    463.69x = 186,886.53
  5. Step 5: Solve for x
    x = 186,886.53/463.69
  6. Step 6: Final answer
    x = 403.04

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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.