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Finding the Fourth Proportional to 463.18, 695.67 and 446.26

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Solution

The fourth proportional to 463.18, 695.67 and 446.26 is: 670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.18 : 695.67 = 446.26 : x
  2. Step 2: Convert to fraction form
    463.18/695.67 = 446.26/x
  3. Step 3: Cross multiply
    463.18x = 695.67 × 446.26
  4. Step 4: Simplify right side
    463.18x = 310,449.69
  5. Step 5: Solve for x
    x = 310,449.69/463.18
  6. Step 6: Final answer
    x = 670.26

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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.