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Finding the Fourth Proportional to 702.67, 1,054.23 and 337.48

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Solution

The fourth proportional to 702.67, 1,054.23 and 337.48 is: 506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.67 : 1,054.23 = 337.48 : x
  2. Step 2: Convert to fraction form
    702.67/1,054.23 = 337.48/x
  3. Step 3: Cross multiply
    702.67x = 1,054.23 × 337.48
  4. Step 4: Simplify right side
    702.67x = 355,781.54
  5. Step 5: Solve for x
    x = 355,781.54/702.67
  6. Step 6: Final answer
    x = 506.33

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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.