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Finding the Fourth Proportional to 967.08, 1,334.56 and 547.43

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Solution

The fourth proportional to 967.08, 1,334.56 and 547.43 is: 755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.08 : 1,334.56 = 547.43 : x
  2. Step 2: Convert to fraction form
    967.08/1,334.56 = 547.43/x
  3. Step 3: Cross multiply
    967.08x = 1,334.56 × 547.43
  4. Step 4: Simplify right side
    967.08x = 730,578.18
  5. Step 5: Solve for x
    x = 730,578.18/967.08
  6. Step 6: Final answer
    x = 755.45

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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.