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Finding the Fourth Proportional to 590,377.57, 885,155.47 and 261,563.83

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Solution

The fourth proportional to 590,377.57, 885,155.47 and 261,563.83 is: 392,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,377.57 : 885,155.47 = 261,563.83 : x
  2. Step 2: Convert to fraction form
    590,377.57/885,155.47 = 261,563.83/x
  3. Step 3: Cross multiply
    590,377.57x = 885,155.47 × 261,563.83
  4. Step 4: Simplify right side
    590,377.57x = 231,524,653,570.83
  5. Step 5: Solve for x
    x = 231,524,653,570.83/590,377.57
  6. Step 6: Final answer
    x = 392,163.70

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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.