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Finding the Fourth Proportional to 1,224.62, 1,837.38 and 566.81

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Solution

The fourth proportional to 1,224.62, 1,837.38 and 566.81 is: 850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.62 : 1,837.38 = 566.81 : x
  2. Step 2: Convert to fraction form
    1,224.62/1,837.38 = 566.81/x
  3. Step 3: Cross multiply
    1,224.62x = 1,837.38 × 566.81
  4. Step 4: Simplify right side
    1,224.62x = 1,041,445.36
  5. Step 5: Solve for x
    x = 1,041,445.36/1,224.62
  6. Step 6: Final answer
    x = 850.42

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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.