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Finding the Fourth Proportional to 441,791.46, 662,709.06 and 126,294.84

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Solution

The fourth proportional to 441,791.46, 662,709.06 and 126,294.84 is: 189,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,791.46 : 662,709.06 = 126,294.84 : x
  2. Step 2: Convert to fraction form
    441,791.46/662,709.06 = 126,294.84/x
  3. Step 3: Cross multiply
    441,791.46x = 662,709.06 × 126,294.84
  4. Step 4: Simplify right side
    441,791.46x = 83,696,734,699.25
  5. Step 5: Solve for x
    x = 83,696,734,699.25/441,791.46
  6. Step 6: Final answer
    x = 189,448.51

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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.