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Finding the Fourth Proportional to 546.37, 753.97 and 297.69

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Solution

The fourth proportional to 546.37, 753.97 and 297.69 is: 410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.37 : 753.97 = 297.69 : x
  2. Step 2: Convert to fraction form
    546.37/753.97 = 297.69/x
  3. Step 3: Cross multiply
    546.37x = 753.97 × 297.69
  4. Step 4: Simplify right side
    546.37x = 224,445.56
  5. Step 5: Solve for x
    x = 224,445.56/546.37
  6. Step 6: Final answer
    x = 410.80

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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.