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Finding the Fourth Proportional to 591.06, 814 and 424.98

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Solution

The fourth proportional to 591.06, 814 and 424.98 is: 585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.06 : 814 = 424.98 : x
  2. Step 2: Convert to fraction form
    591.06/814 = 424.98/x
  3. Step 3: Cross multiply
    591.06x = 814 × 424.98
  4. Step 4: Simplify right side
    591.06x = 345,933.72
  5. Step 5: Solve for x
    x = 345,933.72/591.06
  6. Step 6: Final answer
    x = 585.28

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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.