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Finding the Fourth Proportional to 587.37, 806.10 and 531.99

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Solution

The fourth proportional to 587.37, 806.10 and 531.99 is: 730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.37 : 806.10 = 531.99 : x
  2. Step 2: Convert to fraction form
    587.37/806.10 = 531.99/x
  3. Step 3: Cross multiply
    587.37x = 806.10 × 531.99
  4. Step 4: Simplify right side
    587.37x = 428,837.14
  5. Step 5: Solve for x
    x = 428,837.14/587.37
  6. Step 6: Final answer
    x = 730.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.