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Finding the Fourth Proportional to 849.29, 1,274.54 and 362.68

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Solution

The fourth proportional to 849.29, 1,274.54 and 362.68 is: 544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.29 : 1,274.54 = 362.68 : x
  2. Step 2: Convert to fraction form
    849.29/1,274.54 = 362.68/x
  3. Step 3: Cross multiply
    849.29x = 1,274.54 × 362.68
  4. Step 4: Simplify right side
    849.29x = 462,245.17
  5. Step 5: Solve for x
    x = 462,245.17/849.29
  6. Step 6: Final answer
    x = 544.28

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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.