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Finding the Fourth Proportional to 366,917.15, 550,375.73 and 340,345.10

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Solution

The fourth proportional to 366,917.15, 550,375.73 and 340,345.10 is: 510,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,917.15 : 550,375.73 = 340,345.10 : x
  2. Step 2: Convert to fraction form
    366,917.15/550,375.73 = 340,345.10/x
  3. Step 3: Cross multiply
    366,917.15x = 550,375.73 × 340,345.10
  4. Step 4: Simplify right side
    366,917.15x = 187,317,682,864.42
  5. Step 5: Solve for x
    x = 187,317,682,864.42/366,917.15
  6. Step 6: Final answer
    x = 510,517.65

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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.