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Finding the Fourth Proportional to 732.25, 1,010.02 and 633.07

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Solution

The fourth proportional to 732.25, 1,010.02 and 633.07 is: 873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.25 : 1,010.02 = 633.07 : x
  2. Step 2: Convert to fraction form
    732.25/1,010.02 = 633.07/x
  3. Step 3: Cross multiply
    732.25x = 1,010.02 × 633.07
  4. Step 4: Simplify right side
    732.25x = 639,413.36
  5. Step 5: Solve for x
    x = 639,413.36/732.25
  6. Step 6: Final answer
    x = 873.22

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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.