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Finding the Fourth Proportional to 967.39, 1,334.99 and 525.29

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Solution

The fourth proportional to 967.39, 1,334.99 and 525.29 is: 724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.39 : 1,334.99 = 525.29 : x
  2. Step 2: Convert to fraction form
    967.39/1,334.99 = 525.29/x
  3. Step 3: Cross multiply
    967.39x = 1,334.99 × 525.29
  4. Step 4: Simplify right side
    967.39x = 701,256.90
  5. Step 5: Solve for x
    x = 701,256.90/967.39
  6. Step 6: Final answer
    x = 724.90

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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.