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Finding the Fourth Proportional to 743.24, 1,114.18 and 468.52

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Solution

The fourth proportional to 743.24, 1,114.18 and 468.52 is: 702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    743.24 : 1,114.18 = 468.52 : x
  2. Step 2: Convert to fraction form
    743.24/1,114.18 = 468.52/x
  3. Step 3: Cross multiply
    743.24x = 1,114.18 × 468.52
  4. Step 4: Simplify right side
    743.24x = 522,015.61
  5. Step 5: Solve for x
    x = 522,015.61/743.24
  6. Step 6: Final answer
    x = 702.35

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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.