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Finding the Fourth Proportional to 599,216.40, 898,954.20 and 199,789.20

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Solution

The fourth proportional to 599,216.40, 898,954.20 and 199,789.20 is: 299,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,216.40 : 898,954.20 = 199,789.20 : x
  2. Step 2: Convert to fraction form
    599,216.40/898,954.20 = 199,789.20/x
  3. Step 3: Cross multiply
    599,216.40x = 898,954.20 × 199,789.20
  4. Step 4: Simplify right side
    599,216.40x = 179,601,340,454.64
  5. Step 5: Solve for x
    x = 179,601,340,454.64/599,216.40
  6. Step 6: Final answer
    x = 299,727.01

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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.