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Finding the Fourth Proportional to 962.85, 1,446.65 and 616.33

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Solution

The fourth proportional to 962.85, 1,446.65 and 616.33 is: 926.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.85 : 1,446.65 = 616.33 : x
  2. Step 2: Convert to fraction form
    962.85/1,446.65 = 616.33/x
  3. Step 3: Cross multiply
    962.85x = 1,446.65 × 616.33
  4. Step 4: Simplify right side
    962.85x = 891,610.71
  5. Step 5: Solve for x
    x = 891,610.71/962.85
  6. Step 6: Final answer
    x = 926.02

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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.