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Finding the Fourth Proportional to 559,511.26, 839,998.56 and 332,221.90

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Solution

The fourth proportional to 559,511.26, 839,998.56 and 332,221.90 is: 498,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,511.26 : 839,998.56 = 332,221.90 : x
  2. Step 2: Convert to fraction form
    559,511.26/839,998.56 = 332,221.90/x
  3. Step 3: Cross multiply
    559,511.26x = 839,998.56 × 332,221.90
  4. Step 4: Simplify right side
    559,511.26x = 279,065,917,600.46
  5. Step 5: Solve for x
    x = 279,065,917,600.46/559,511.26
  6. Step 6: Final answer
    x = 498,767.29

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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.