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Finding the Fourth Proportional to 576,050.12, 864,215.41 and 191,797.96

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Solution

The fourth proportional to 576,050.12, 864,215.41 and 191,797.96 is: 287,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,050.12 : 864,215.41 = 191,797.96 : x
  2. Step 2: Convert to fraction form
    576,050.12/864,215.41 = 191,797.96/x
  3. Step 3: Cross multiply
    576,050.12x = 864,215.41 × 191,797.96
  4. Step 4: Simplify right side
    576,050.12x = 165,754,752,638.56
  5. Step 5: Solve for x
    x = 165,754,752,638.56/576,050.12
  6. Step 6: Final answer
    x = 287,743.63

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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.