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Finding the Fourth Proportional to 704.57, 1,056.85 and 184.53

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Solution

The fourth proportional to 704.57, 1,056.85 and 184.53 is: 276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.57 : 1,056.85 = 184.53 : x
  2. Step 2: Convert to fraction form
    704.57/1,056.85 = 184.53/x
  3. Step 3: Cross multiply
    704.57x = 1,056.85 × 184.53
  4. Step 4: Simplify right side
    704.57x = 195,020.53
  5. Step 5: Solve for x
    x = 195,020.53/704.57
  6. Step 6: Final answer
    x = 276.79

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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.