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Finding the Fourth Proportional to 846.62, 1,168.75 and 532.34

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Solution

The fourth proportional to 846.62, 1,168.75 and 532.34 is: 734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.62 : 1,168.75 = 532.34 : x
  2. Step 2: Convert to fraction form
    846.62/1,168.75 = 532.34/x
  3. Step 3: Cross multiply
    846.62x = 1,168.75 × 532.34
  4. Step 4: Simplify right side
    846.62x = 622,173.08
  5. Step 5: Solve for x
    x = 622,173.08/846.62
  6. Step 6: Final answer
    x = 734.89

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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.