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Finding the Fourth Proportional to 846.89, 1,168.65 and 532.32

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Solution

The fourth proportional to 846.89, 1,168.65 and 532.32 is: 734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.89 : 1,168.65 = 532.32 : x
  2. Step 2: Convert to fraction form
    846.89/1,168.65 = 532.32/x
  3. Step 3: Cross multiply
    846.89x = 1,168.65 × 532.32
  4. Step 4: Simplify right side
    846.89x = 622,097.10
  5. Step 5: Solve for x
    x = 622,097.10/846.89
  6. Step 6: Final answer
    x = 734.57

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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.