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Finding the Fourth Proportional to 300,950.66, 451,294.74 and 113,830.94

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Solution

The fourth proportional to 300,950.66, 451,294.74 and 113,830.94 is: 170,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,950.66 : 451,294.74 = 113,830.94 : x
  2. Step 2: Convert to fraction form
    300,950.66/451,294.74 = 113,830.94/x
  3. Step 3: Cross multiply
    300,950.66x = 451,294.74 × 113,830.94
  4. Step 4: Simplify right side
    300,950.66x = 51,371,304,471.26
  5. Step 5: Solve for x
    x = 51,371,304,471.26/300,950.66
  6. Step 6: Final answer
    x = 170,696.77

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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.