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Finding the Fourth Proportional to 463.78, 695.46 and 175

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Solution

The fourth proportional to 463.78, 695.46 and 175 is: 262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.78 : 695.46 = 175 : x
  2. Step 2: Convert to fraction form
    463.78/695.46 = 175/x
  3. Step 3: Cross multiply
    463.78x = 695.46 × 175
  4. Step 4: Simplify right side
    463.78x = 121,705.50
  5. Step 5: Solve for x
    x = 121,705.50/463.78
  6. Step 6: Final answer
    x = 262.42

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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.