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Finding the Fourth Proportional to 497.26, 685.92 and 350.02

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Solution

The fourth proportional to 497.26, 685.92 and 350.02 is: 482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.26 : 685.92 = 350.02 : x
  2. Step 2: Convert to fraction form
    497.26/685.92 = 350.02/x
  3. Step 3: Cross multiply
    497.26x = 685.92 × 350.02
  4. Step 4: Simplify right side
    497.26x = 240,085.72
  5. Step 5: Solve for x
    x = 240,085.72/497.26
  6. Step 6: Final answer
    x = 482.82

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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.