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Finding the Fourth Proportional to 722.69, 1,083.95 and 202.73

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Solution

The fourth proportional to 722.69, 1,083.95 and 202.73 is: 304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    722.69 : 1,083.95 = 202.73 : x
  2. Step 2: Convert to fraction form
    722.69/1,083.95 = 202.73/x
  3. Step 3: Cross multiply
    722.69x = 1,083.95 × 202.73
  4. Step 4: Simplify right side
    722.69x = 219,752.40
  5. Step 5: Solve for x
    x = 219,752.40/722.69
  6. Step 6: Final answer
    x = 304.07

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