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Finding the Fourth Proportional to 616,162.28, 924,321.33 and 211,433.33

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Solution

The fourth proportional to 616,162.28, 924,321.33 and 211,433.33 is: 317,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,162.28 : 924,321.33 = 211,433.33 : x
  2. Step 2: Convert to fraction form
    616,162.28/924,321.33 = 211,433.33/x
  3. Step 3: Cross multiply
    616,162.28x = 924,321.33 × 211,433.33
  4. Step 4: Simplify right side
    616,162.28x = 195,432,336,791.93
  5. Step 5: Solve for x
    x = 195,432,336,791.93/616,162.28
  6. Step 6: Final answer
    x = 317,176.73

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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.