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Finding the Fourth Proportional to 599,351.82, 899,382.40 and 220,538.56

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Solution

The fourth proportional to 599,351.82, 899,382.40 and 220,538.56 is: 330,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,351.82 : 899,382.40 = 220,538.56 : x
  2. Step 2: Convert to fraction form
    599,351.82/899,382.40 = 220,538.56/x
  3. Step 3: Cross multiply
    599,351.82x = 899,382.40 × 220,538.56
  4. Step 4: Simplify right side
    599,351.82x = 198,348,499,385.34
  5. Step 5: Solve for x
    x = 198,348,499,385.34/599,351.82
  6. Step 6: Final answer
    x = 330,938.35

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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.