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Finding the Fourth Proportional to 1,162.86, 1,744.04 and 546.85

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Solution

The fourth proportional to 1,162.86, 1,744.04 and 546.85 is: 820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.86 : 1,744.04 = 546.85 : x
  2. Step 2: Convert to fraction form
    1,162.86/1,744.04 = 546.85/x
  3. Step 3: Cross multiply
    1,162.86x = 1,744.04 × 546.85
  4. Step 4: Simplify right side
    1,162.86x = 953,725.54
  5. Step 5: Solve for x
    x = 953,725.54/1,162.86
  6. Step 6: Final answer
    x = 820.16

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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.