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Finding the Fourth Proportional to 702.92, 1,054.24 and 337.62

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Solution

The fourth proportional to 702.92, 1,054.24 and 337.62 is: 506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.92 : 1,054.24 = 337.62 : x
  2. Step 2: Convert to fraction form
    702.92/1,054.24 = 337.62/x
  3. Step 3: Cross multiply
    702.92x = 1,054.24 × 337.62
  4. Step 4: Simplify right side
    702.92x = 355,932.51
  5. Step 5: Solve for x
    x = 355,932.51/702.92
  6. Step 6: Final answer
    x = 506.36

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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.