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Finding the Fourth Proportional to 416,246.15, 622,589.52 and 347,439.02

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Solution

The fourth proportional to 416,246.15, 622,589.52 and 347,439.02 is: 519,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,246.15 : 622,589.52 = 347,439.02 : x
  2. Step 2: Convert to fraction form
    416,246.15/622,589.52 = 347,439.02/x
  3. Step 3: Cross multiply
    416,246.15x = 622,589.52 × 347,439.02
  4. Step 4: Simplify right side
    416,246.15x = 216,311,890,881.02
  5. Step 5: Solve for x
    x = 216,311,890,881.02/416,246.15
  6. Step 6: Final answer
    x = 519,673.01

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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.