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Finding the Fourth Proportional to 467.72, 702.04 and 351.76

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Solution

The fourth proportional to 467.72, 702.04 and 351.76 is: 527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.72 : 702.04 = 351.76 : x
  2. Step 2: Convert to fraction form
    467.72/702.04 = 351.76/x
  3. Step 3: Cross multiply
    467.72x = 702.04 × 351.76
  4. Step 4: Simplify right side
    467.72x = 246,949.59
  5. Step 5: Solve for x
    x = 246,949.59/467.72
  6. Step 6: Final answer
    x = 527.99

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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.