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Finding the Fourth Proportional to 293,158.20, 439,737.30 and 199,846.20

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Solution

The fourth proportional to 293,158.20, 439,737.30 and 199,846.20 is: 299,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,158.20 : 439,737.30 = 199,846.20 : x
  2. Step 2: Convert to fraction form
    293,158.20/439,737.30 = 199,846.20/x
  3. Step 3: Cross multiply
    293,158.20x = 439,737.30 × 199,846.20
  4. Step 4: Simplify right side
    293,158.20x = 87,879,828,403.26
  5. Step 5: Solve for x
    x = 87,879,828,403.26/293,158.20
  6. Step 6: Final answer
    x = 299,769.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.