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Finding the Fourth Proportional to 596.51, 823.31 and 347.82

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Solution

The fourth proportional to 596.51, 823.31 and 347.82 is: 480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.51 : 823.31 = 347.82 : x
  2. Step 2: Convert to fraction form
    596.51/823.31 = 347.82/x
  3. Step 3: Cross multiply
    596.51x = 823.31 × 347.82
  4. Step 4: Simplify right side
    596.51x = 286,361.95
  5. Step 5: Solve for x
    x = 286,361.95/596.51
  6. Step 6: Final answer
    x = 480.07

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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.