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Finding the Fourth Proportional to 441,396.99, 662,141.25 and 188,704.17

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Solution

The fourth proportional to 441,396.99, 662,141.25 and 188,704.17 is: 283,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,396.99 : 662,141.25 = 188,704.17 : x
  2. Step 2: Convert to fraction form
    441,396.99/662,141.25 = 188,704.17/x
  3. Step 3: Cross multiply
    441,396.99x = 662,141.25 × 188,704.17
  4. Step 4: Simplify right side
    441,396.99x = 124,948,815,004.01
  5. Step 5: Solve for x
    x = 124,948,815,004.01/441,396.99
  6. Step 6: Final answer
    x = 283,075.82

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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.