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Finding the Fourth Proportional to 450,382.62, 621,535.92 and 246,451.42

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Solution

The fourth proportional to 450,382.62, 621,535.92 and 246,451.42 is: 340,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,382.62 : 621,535.92 = 246,451.42 : x
  2. Step 2: Convert to fraction form
    450,382.62/621,535.92 = 246,451.42/x
  3. Step 3: Cross multiply
    450,382.62x = 621,535.92 × 246,451.42
  4. Step 4: Simplify right side
    450,382.62x = 153,178,410,065.01
  5. Step 5: Solve for x
    x = 153,178,410,065.01/450,382.62
  6. Step 6: Final answer
    x = 340,107.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.