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Finding the Fourth Proportional to 547.04, 755.19 and 373.30

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Solution

The fourth proportional to 547.04, 755.19 and 373.30 is: 515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.04 : 755.19 = 373.30 : x
  2. Step 2: Convert to fraction form
    547.04/755.19 = 373.30/x
  3. Step 3: Cross multiply
    547.04x = 755.19 × 373.30
  4. Step 4: Simplify right side
    547.04x = 281,912.43
  5. Step 5: Solve for x
    x = 281,912.43/547.04
  6. Step 6: Final answer
    x = 515.34

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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.