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Finding the Fourth Proportional to 568.08, 846.72 and 531.36

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Solution

The fourth proportional to 568.08, 846.72 and 531.36 is: 791.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.08 : 846.72 = 531.36 : x
  2. Step 2: Convert to fraction form
    568.08/846.72 = 531.36/x
  3. Step 3: Cross multiply
    568.08x = 846.72 × 531.36
  4. Step 4: Simplify right side
    568.08x = 449,913.14
  5. Step 5: Solve for x
    x = 449,913.14/568.08
  6. Step 6: Final answer
    x = 791.99

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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.