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Finding the Fourth Proportional to 698.33, 1,046.73 and 332.62

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Solution

The fourth proportional to 698.33, 1,046.73 and 332.62 is: 498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    698.33 : 1,046.73 = 332.62 : x
  2. Step 2: Convert to fraction form
    698.33/1,046.73 = 332.62/x
  3. Step 3: Cross multiply
    698.33x = 1,046.73 × 332.62
  4. Step 4: Simplify right side
    698.33x = 348,163.33
  5. Step 5: Solve for x
    x = 348,163.33/698.33
  6. Step 6: Final answer
    x = 498.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.