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Finding the Fourth Proportional to 737.67, 1,104.17 and 412.05

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Solution

The fourth proportional to 737.67, 1,104.17 and 412.05 is: 616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.67 : 1,104.17 = 412.05 : x
  2. Step 2: Convert to fraction form
    737.67/1,104.17 = 412.05/x
  3. Step 3: Cross multiply
    737.67x = 1,104.17 × 412.05
  4. Step 4: Simplify right side
    737.67x = 454,971.19
  5. Step 5: Solve for x
    x = 454,971.19/737.67
  6. Step 6: Final answer
    x = 616.77

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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.