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Finding the Fourth Proportional to 468.61, 702.67 and 249.36

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Solution

The fourth proportional to 468.61, 702.67 and 249.36 is: 373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.61 : 702.67 = 249.36 : x
  2. Step 2: Convert to fraction form
    468.61/702.67 = 249.36/x
  3. Step 3: Cross multiply
    468.61x = 702.67 × 249.36
  4. Step 4: Simplify right side
    468.61x = 175,216.54
  5. Step 5: Solve for x
    x = 175,216.54/468.61
  6. Step 6: Final answer
    x = 373.91

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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.