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Finding the Fourth Proportional to 546.62, 754.33 and 297.95

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Solution

The fourth proportional to 546.62, 754.33 and 297.95 is: 411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.62 : 754.33 = 297.95 : x
  2. Step 2: Convert to fraction form
    546.62/754.33 = 297.95/x
  3. Step 3: Cross multiply
    546.62x = 754.33 × 297.95
  4. Step 4: Simplify right side
    546.62x = 224,752.62
  5. Step 5: Solve for x
    x = 224,752.62/546.62
  6. Step 6: Final answer
    x = 411.17

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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.