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Finding the Fourth Proportional to 751.97, 1,127.99 and 232.32

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Solution

The fourth proportional to 751.97, 1,127.99 and 232.32 is: 348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.97 : 1,127.99 = 232.32 : x
  2. Step 2: Convert to fraction form
    751.97/1,127.99 = 232.32/x
  3. Step 3: Cross multiply
    751.97x = 1,127.99 × 232.32
  4. Step 4: Simplify right side
    751.97x = 262,053.48
  5. Step 5: Solve for x
    x = 262,053.48/751.97
  6. Step 6: Final answer
    x = 348.49

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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.