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Finding the Fourth Proportional to 875.97, 1,314.14 and 732.69

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Solution

The fourth proportional to 875.97, 1,314.14 and 732.69 is: 1,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    875.97 : 1,314.14 = 732.69 : x
  2. Step 2: Convert to fraction form
    875.97/1,314.14 = 732.69/x
  3. Step 3: Cross multiply
    875.97x = 1,314.14 × 732.69
  4. Step 4: Simplify right side
    875.97x = 962,857.24
  5. Step 5: Solve for x
    x = 962,857.24/875.97
  6. Step 6: Final answer
    x = 1,099.19

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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.