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Finding the Fourth Proportional to 599,753.33, 899,787.55 and 215,540.97

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Solution

The fourth proportional to 599,753.33, 899,787.55 and 215,540.97 is: 323,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,753.33 : 899,787.55 = 215,540.97 : x
  2. Step 2: Convert to fraction form
    599,753.33/899,787.55 = 215,540.97/x
  3. Step 3: Cross multiply
    599,753.33x = 899,787.55 × 215,540.97
  4. Step 4: Simplify right side
    599,753.33x = 193,941,083,570.39
  5. Step 5: Solve for x
    x = 193,941,083,570.39/599,753.33
  6. Step 6: Final answer
    x = 323,368.08

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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.