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Finding the Fourth Proportional to 468.71, 702.49 and 237.76

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Solution

The fourth proportional to 468.71, 702.49 and 237.76 is: 356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.71 : 702.49 = 237.76 : x
  2. Step 2: Convert to fraction form
    468.71/702.49 = 237.76/x
  3. Step 3: Cross multiply
    468.71x = 702.49 × 237.76
  4. Step 4: Simplify right side
    468.71x = 167,024.02
  5. Step 5: Solve for x
    x = 167,024.02/468.71
  6. Step 6: Final answer
    x = 356.35

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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.