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Finding the Fourth Proportional to 894.19, 1,233.98 and 544.88

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Solution

The fourth proportional to 894.19, 1,233.98 and 544.88 is: 751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.19 : 1,233.98 = 544.88 : x
  2. Step 2: Convert to fraction form
    894.19/1,233.98 = 544.88/x
  3. Step 3: Cross multiply
    894.19x = 1,233.98 × 544.88
  4. Step 4: Simplify right side
    894.19x = 672,369.30
  5. Step 5: Solve for x
    x = 672,369.30/894.19
  6. Step 6: Final answer
    x = 751.93

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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.