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Finding the Fourth Proportional to 1,234.27, 1,703.00 and 736.81

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Solution

The fourth proportional to 1,234.27, 1,703.00 and 736.81 is: 1,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.27 : 1,703.00 = 736.81 : x
  2. Step 2: Convert to fraction form
    1,234.27/1,703.00 = 736.81/x
  3. Step 3: Cross multiply
    1,234.27x = 1,703.00 × 736.81
  4. Step 4: Simplify right side
    1,234.27x = 1,254,785.01
  5. Step 5: Solve for x
    x = 1,254,785.01/1,234.27
  6. Step 6: Final answer
    x = 1,016.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.