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Finding the Fourth Proportional to 1,182.03, 1,772.83 and 348.92

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Solution

The fourth proportional to 1,182.03, 1,772.83 and 348.92 is: 523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.03 : 1,772.83 = 348.92 : x
  2. Step 2: Convert to fraction form
    1,182.03/1,772.83 = 348.92/x
  3. Step 3: Cross multiply
    1,182.03x = 1,772.83 × 348.92
  4. Step 4: Simplify right side
    1,182.03x = 618,570.54
  5. Step 5: Solve for x
    x = 618,570.54/1,182.03
  6. Step 6: Final answer
    x = 523.31

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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.