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Finding the Fourth Proportional to 547.01, 755.03 and 334.40

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Solution

The fourth proportional to 547.01, 755.03 and 334.40 is: 461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.01 : 755.03 = 334.40 : x
  2. Step 2: Convert to fraction form
    547.01/755.03 = 334.40/x
  3. Step 3: Cross multiply
    547.01x = 755.03 × 334.40
  4. Step 4: Simplify right side
    547.01x = 252,476.58
  5. Step 5: Solve for x
    x = 252,476.58/547.01
  6. Step 6: Final answer
    x = 461.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.