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Finding the Fourth Proportional to 602.14, 832.26 and 531.70

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Solution

The fourth proportional to 602.14, 832.26 and 531.70 is: 734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.14 : 832.26 = 531.70 : x
  2. Step 2: Convert to fraction form
    602.14/832.26 = 531.70/x
  3. Step 3: Cross multiply
    602.14x = 832.26 × 531.70
  4. Step 4: Simplify right side
    602.14x = 442,512.64
  5. Step 5: Solve for x
    x = 442,512.64/602.14
  6. Step 6: Final answer
    x = 734.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.