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Finding the Fourth Proportional to 1,232.43, 1,848.47 and 462.75

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Solution

The fourth proportional to 1,232.43, 1,848.47 and 462.75 is: 694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.43 : 1,848.47 = 462.75 : x
  2. Step 2: Convert to fraction form
    1,232.43/1,848.47 = 462.75/x
  3. Step 3: Cross multiply
    1,232.43x = 1,848.47 × 462.75
  4. Step 4: Simplify right side
    1,232.43x = 855,377.18
  5. Step 5: Solve for x
    x = 855,377.18/1,232.43
  6. Step 6: Final answer
    x = 694.06

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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.