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Finding the Fourth Proportional to 1,179.26, 1,767.52 and 562.08

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Solution

The fourth proportional to 1,179.26, 1,767.52 and 562.08 is: 842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.26 : 1,767.52 = 562.08 : x
  2. Step 2: Convert to fraction form
    1,179.26/1,767.52 = 562.08/x
  3. Step 3: Cross multiply
    1,179.26x = 1,767.52 × 562.08
  4. Step 4: Simplify right side
    1,179.26x = 993,487.64
  5. Step 5: Solve for x
    x = 993,487.64/1,179.26
  6. Step 6: Final answer
    x = 842.47

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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.