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Finding the Fourth Proportional to 348.01, 521.75 and 174.76

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Solution

The fourth proportional to 348.01, 521.75 and 174.76 is: 262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.01 : 521.75 = 174.76 : x
  2. Step 2: Convert to fraction form
    348.01/521.75 = 174.76/x
  3. Step 3: Cross multiply
    348.01x = 521.75 × 174.76
  4. Step 4: Simplify right side
    348.01x = 91,180.16
  5. Step 5: Solve for x
    x = 91,180.16/348.01
  6. Step 6: Final answer
    x = 262.01

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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.