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Finding the Fourth Proportional to 469.24, 702.56 and 252.34

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Solution

The fourth proportional to 469.24, 702.56 and 252.34 is: 377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.24 : 702.56 = 252.34 : x
  2. Step 2: Convert to fraction form
    469.24/702.56 = 252.34/x
  3. Step 3: Cross multiply
    469.24x = 702.56 × 252.34
  4. Step 4: Simplify right side
    469.24x = 177,283.99
  5. Step 5: Solve for x
    x = 177,283.99/469.24
  6. Step 6: Final answer
    x = 377.81

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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.