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Finding the Fourth Proportional to 982.02, 1,473.33 and 616.26

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Solution

The fourth proportional to 982.02, 1,473.33 and 616.26 is: 924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.02 : 1,473.33 = 616.26 : x
  2. Step 2: Convert to fraction form
    982.02/1,473.33 = 616.26/x
  3. Step 3: Cross multiply
    982.02x = 1,473.33 × 616.26
  4. Step 4: Simplify right side
    982.02x = 907,954.35
  5. Step 5: Solve for x
    x = 907,954.35/982.02
  6. Step 6: Final answer
    x = 924.58

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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.