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Finding the Fourth Proportional to 1,234.52, 1,703.58 and 737.43

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Solution

The fourth proportional to 1,234.52, 1,703.58 and 737.43 is: 1,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.52 : 1,703.58 = 737.43 : x
  2. Step 2: Convert to fraction form
    1,234.52/1,703.58 = 737.43/x
  3. Step 3: Cross multiply
    1,234.52x = 1,703.58 × 737.43
  4. Step 4: Simplify right side
    1,234.52x = 1,256,270.78
  5. Step 5: Solve for x
    x = 1,256,270.78/1,234.52
  6. Step 6: Final answer
    x = 1,017.62

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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.