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Finding the Fourth Proportional to 1,179.54, 1,767.96 and 562.38

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Solution

The fourth proportional to 1,179.54, 1,767.96 and 562.38 is: 842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.54 : 1,767.96 = 562.38 : x
  2. Step 2: Convert to fraction form
    1,179.54/1,767.96 = 562.38/x
  3. Step 3: Cross multiply
    1,179.54x = 1,767.96 × 562.38
  4. Step 4: Simplify right side
    1,179.54x = 994,265.34
  5. Step 5: Solve for x
    x = 994,265.34/1,179.54
  6. Step 6: Final answer
    x = 842.93

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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.