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Finding the Fourth Proportional to 463.85, 695.98 and 175.22

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Solution

The fourth proportional to 463.85, 695.98 and 175.22 is: 262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.85 : 695.98 = 175.22 : x
  2. Step 2: Convert to fraction form
    463.85/695.98 = 175.22/x
  3. Step 3: Cross multiply
    463.85x = 695.98 × 175.22
  4. Step 4: Simplify right side
    463.85x = 121,947.98
  5. Step 5: Solve for x
    x = 121,947.98/463.85
  6. Step 6: Final answer
    x = 262.90

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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.