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Finding the Fourth Proportional to 400,581.56, 600,872.33 and 134,341.31

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Solution

The fourth proportional to 400,581.56, 600,872.33 and 134,341.31 is: 201,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,581.56 : 600,872.33 = 134,341.31 : x
  2. Step 2: Convert to fraction form
    400,581.56/600,872.33 = 134,341.31/x
  3. Step 3: Cross multiply
    400,581.56x = 600,872.33 × 134,341.31
  4. Step 4: Simplify right side
    400,581.56x = 80,721,972,950.59
  5. Step 5: Solve for x
    x = 80,721,972,950.59/400,581.56
  6. Step 6: Final answer
    x = 201,511.95

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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.