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Finding the Fourth Proportional to 591,106.50, 815,726.97 and 322,834.50

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Solution

The fourth proportional to 591,106.50, 815,726.97 and 322,834.50 is: 445,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,106.50 : 815,726.97 = 322,834.50 : x
  2. Step 2: Convert to fraction form
    591,106.50/815,726.97 = 322,834.50/x
  3. Step 3: Cross multiply
    591,106.50x = 815,726.97 × 322,834.50
  4. Step 4: Simplify right side
    591,106.50x = 263,344,808,496.47
  5. Step 5: Solve for x
    x = 263,344,808,496.47/591,106.50
  6. Step 6: Final answer
    x = 445,511.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.