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Finding the Fourth Proportional to 875.97, 1,208.48 and 614.16

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Solution

The fourth proportional to 875.97, 1,208.48 and 614.16 is: 847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    875.97 : 1,208.48 = 614.16 : x
  2. Step 2: Convert to fraction form
    875.97/1,208.48 = 614.16/x
  3. Step 3: Cross multiply
    875.97x = 1,208.48 × 614.16
  4. Step 4: Simplify right side
    875.97x = 742,197.01
  5. Step 5: Solve for x
    x = 742,197.01/875.97
  6. Step 6: Final answer
    x = 847.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.