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Finding the Fourth Proportional to 894.44, 1,347.77 and 735.68

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Solution

The fourth proportional to 894.44, 1,347.77 and 735.68 is: 1,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.44 : 1,347.77 = 735.68 : x
  2. Step 2: Convert to fraction form
    894.44/1,347.77 = 735.68/x
  3. Step 3: Cross multiply
    894.44x = 1,347.77 × 735.68
  4. Step 4: Simplify right side
    894.44x = 991,527.43
  5. Step 5: Solve for x
    x = 991,527.43/894.44
  6. Step 6: Final answer
    x = 1,108.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.