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Finding the Fourth Proportional to 544.28, 813.32 and 531.98

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Solution

The fourth proportional to 544.28, 813.32 and 531.98 is: 794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.28 : 813.32 = 531.98 : x
  2. Step 2: Convert to fraction form
    544.28/813.32 = 531.98/x
  3. Step 3: Cross multiply
    544.28x = 813.32 × 531.98
  4. Step 4: Simplify right side
    544.28x = 432,667.24
  5. Step 5: Solve for x
    x = 432,667.24/544.28
  6. Step 6: Final answer
    x = 794.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.