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Finding the Fourth Proportional to 413,772.36, 619,797.40 and 263,267.11

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Solution

The fourth proportional to 413,772.36, 619,797.40 and 263,267.11 is: 394,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,772.36 : 619,797.40 = 263,267.11 : x
  2. Step 2: Convert to fraction form
    413,772.36/619,797.40 = 263,267.11/x
  3. Step 3: Cross multiply
    413,772.36x = 619,797.40 × 263,267.11
  4. Step 4: Simplify right side
    413,772.36x = 163,172,270,283.51
  5. Step 5: Solve for x
    x = 163,172,270,283.51/413,772.36
  6. Step 6: Final answer
    x = 394,352.76

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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.