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Finding the Fourth Proportional to 1,072.62, 1,480.14 and 600.48

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Solution

The fourth proportional to 1,072.62, 1,480.14 and 600.48 is: 828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072.62 : 1,480.14 = 600.48 : x
  2. Step 2: Convert to fraction form
    1,072.62/1,480.14 = 600.48/x
  3. Step 3: Cross multiply
    1,072.62x = 1,480.14 × 600.48
  4. Step 4: Simplify right side
    1,072.62x = 888,794.47
  5. Step 5: Solve for x
    x = 888,794.47/1,072.62
  6. Step 6: Final answer
    x = 828.62

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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.