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Finding the Fourth Proportional to 1,181.57, 1,773.14 and 532.35

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Solution

The fourth proportional to 1,181.57, 1,773.14 and 532.35 is: 798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.57 : 1,773.14 = 532.35 : x
  2. Step 2: Convert to fraction form
    1,181.57/1,773.14 = 532.35/x
  3. Step 3: Cross multiply
    1,181.57x = 1,773.14 × 532.35
  4. Step 4: Simplify right side
    1,181.57x = 943,928.42
  5. Step 5: Solve for x
    x = 943,928.42/1,181.57
  6. Step 6: Final answer
    x = 798.88

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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.