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Finding the Fourth Proportional to 532.11, 734.02 and 361.70

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Solution

The fourth proportional to 532.11, 734.02 and 361.70 is: 498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.11 : 734.02 = 361.70 : x
  2. Step 2: Convert to fraction form
    532.11/734.02 = 361.70/x
  3. Step 3: Cross multiply
    532.11x = 734.02 × 361.70
  4. Step 4: Simplify right side
    532.11x = 265,498.85
  5. Step 5: Solve for x
    x = 265,498.85/532.11
  6. Step 6: Final answer
    x = 498.96

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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.