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Finding the Fourth Proportional to 463.68, 695.52 and 392.04

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Solution

The fourth proportional to 463.68, 695.52 and 392.04 is: 588.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.68 : 695.52 = 392.04 : x
  2. Step 2: Convert to fraction form
    463.68/695.52 = 392.04/x
  3. Step 3: Cross multiply
    463.68x = 695.52 × 392.04
  4. Step 4: Simplify right side
    463.68x = 272,671.66
  5. Step 5: Solve for x
    x = 272,671.66/463.68
  6. Step 6: Final answer
    x = 588.06

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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.