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Finding the Fourth Proportional to 583.77, 799.91 and 578.41

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Solution

The fourth proportional to 583.77, 799.91 and 578.41 is: 792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.77 : 799.91 = 578.41 : x
  2. Step 2: Convert to fraction form
    583.77/799.91 = 578.41/x
  3. Step 3: Cross multiply
    583.77x = 799.91 × 578.41
  4. Step 4: Simplify right side
    583.77x = 462,673.22
  5. Step 5: Solve for x
    x = 462,673.22/583.77
  6. Step 6: Final answer
    x = 792.56

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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.