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Finding the Fourth Proportional to 1,540.62, 2,308.50 and 566.19

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Solution

The fourth proportional to 1,540.62, 2,308.50 and 566.19 is: 848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.62 : 2,308.50 = 566.19 : x
  2. Step 2: Convert to fraction form
    1,540.62/2,308.50 = 566.19/x
  3. Step 3: Cross multiply
    1,540.62x = 2,308.50 × 566.19
  4. Step 4: Simplify right side
    1,540.62x = 1,307,049.62
  5. Step 5: Solve for x
    x = 1,307,049.62/1,540.62
  6. Step 6: Final answer
    x = 848.39

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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.