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Finding the Fourth Proportional to 894.24, 1,233.60 and 562.56

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Solution

The fourth proportional to 894.24, 1,233.60 and 562.56 is: 776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.24 : 1,233.60 = 562.56 : x
  2. Step 2: Convert to fraction form
    894.24/1,233.60 = 562.56/x
  3. Step 3: Cross multiply
    894.24x = 1,233.60 × 562.56
  4. Step 4: Simplify right side
    894.24x = 693,974.02
  5. Step 5: Solve for x
    x = 693,974.02/894.24
  6. Step 6: Final answer
    x = 776.05

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Why These Related Problems?

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