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Finding the Fourth Proportional to 1,546.62, 2,319.86 and 506.58

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Solution

The fourth proportional to 1,546.62, 2,319.86 and 506.58 is: 759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.62 : 2,319.86 = 506.58 : x
  2. Step 2: Convert to fraction form
    1,546.62/2,319.86 = 506.58/x
  3. Step 3: Cross multiply
    1,546.62x = 2,319.86 × 506.58
  4. Step 4: Simplify right side
    1,546.62x = 1,175,192.15
  5. Step 5: Solve for x
    x = 1,175,192.15/1,546.62
  6. Step 6: Final answer
    x = 759.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.