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Finding the Fourth Proportional to 468, 702.24 and 179.36

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Solution

The fourth proportional to 468, 702.24 and 179.36 is: 269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    468 : 702.24 = 179.36 : x
  2. Step 2: Convert to fraction form
    468/702.24 = 179.36/x
  3. Step 3: Cross multiply
    468x = 702.24 × 179.36
  4. Step 4: Simplify right side
    468x = 125,953.77
  5. Step 5: Solve for x
    x = 125,953.77/468
  6. Step 6: Final answer
    x = 269.13

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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.