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Finding the Fourth Proportional to 441,639.82, 609,462.94 and 240,435.82

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Solution

The fourth proportional to 441,639.82, 609,462.94 and 240,435.82 is: 331,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,639.82 : 609,462.94 = 240,435.82 : x
  2. Step 2: Convert to fraction form
    441,639.82/609,462.94 = 240,435.82/x
  3. Step 3: Cross multiply
    441,639.82x = 609,462.94 × 240,435.82
  4. Step 4: Simplify right side
    441,639.82x = 146,536,721,738.51
  5. Step 5: Solve for x
    x = 146,536,721,738.51/441,639.82
  6. Step 6: Final answer
    x = 331,801.43

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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.