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Finding the Fourth Proportional to 546.24, 753.90 and 349.83

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Solution

The fourth proportional to 546.24, 753.90 and 349.83 is: 482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.24 : 753.90 = 349.83 : x
  2. Step 2: Convert to fraction form
    546.24/753.90 = 349.83/x
  3. Step 3: Cross multiply
    546.24x = 753.90 × 349.83
  4. Step 4: Simplify right side
    546.24x = 263,736.84
  5. Step 5: Solve for x
    x = 263,736.84/546.24
  6. Step 6: Final answer
    x = 482.82

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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.