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Finding the Fourth Proportional to 1,566.69, 2,350.04 and 412.44

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Solution

The fourth proportional to 1,566.69, 2,350.04 and 412.44 is: 618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.69 : 2,350.04 = 412.44 : x
  2. Step 2: Convert to fraction form
    1,566.69/2,350.04 = 412.44/x
  3. Step 3: Cross multiply
    1,566.69x = 2,350.04 × 412.44
  4. Step 4: Simplify right side
    1,566.69x = 969,248.44
  5. Step 5: Solve for x
    x = 969,248.44/1,566.69
  6. Step 6: Final answer
    x = 618.66

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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.