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Finding the Fourth Proportional to 1,181.15, 1,772.03 and 565.33

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Solution

The fourth proportional to 1,181.15, 1,772.03 and 565.33 is: 848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.15 : 1,772.03 = 565.33 : x
  2. Step 2: Convert to fraction form
    1,181.15/1,772.03 = 565.33/x
  3. Step 3: Cross multiply
    1,181.15x = 1,772.03 × 565.33
  4. Step 4: Simplify right side
    1,181.15x = 1,001,781.72
  5. Step 5: Solve for x
    x = 1,001,781.72/1,181.15
  6. Step 6: Final answer
    x = 848.14

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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.