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Finding the Fourth Proportional to 441,950.70, 663,156.45 and 192,657.90

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Solution

The fourth proportional to 441,950.70, 663,156.45 and 192,657.90 is: 289,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,950.70 : 663,156.45 = 192,657.90 : x
  2. Step 2: Convert to fraction form
    441,950.70/663,156.45 = 192,657.90/x
  3. Step 3: Cross multiply
    441,950.70x = 663,156.45 × 192,657.90
  4. Step 4: Simplify right side
    441,950.70x = 127,762,329,028.46
  5. Step 5: Solve for x
    x = 127,762,329,028.46/441,950.70
  6. Step 6: Final answer
    x = 289,087.29

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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.