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Finding the Fourth Proportional to 894.16, 1,234.08 and 544.96

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Solution

The fourth proportional to 894.16, 1,234.08 and 544.96 is: 752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.16 : 1,234.08 = 544.96 : x
  2. Step 2: Convert to fraction form
    894.16/1,234.08 = 544.96/x
  3. Step 3: Cross multiply
    894.16x = 1,234.08 × 544.96
  4. Step 4: Simplify right side
    894.16x = 672,524.24
  5. Step 5: Solve for x
    x = 672,524.24/894.16
  6. Step 6: Final answer
    x = 752.13

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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.