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Finding the Fourth Proportional to 1,704.92, 2,557.53 and 472.33

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Solution

The fourth proportional to 1,704.92, 2,557.53 and 472.33 is: 708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.92 : 2,557.53 = 472.33 : x
  2. Step 2: Convert to fraction form
    1,704.92/2,557.53 = 472.33/x
  3. Step 3: Cross multiply
    1,704.92x = 2,557.53 × 472.33
  4. Step 4: Simplify right side
    1,704.92x = 1,207,995.78
  5. Step 5: Solve for x
    x = 1,207,995.78/1,704.92
  6. Step 6: Final answer
    x = 708.54

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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.