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Finding the Fourth Proportional to 441,556.94, 662,341.62 and 126,013.88

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Solution

The fourth proportional to 441,556.94, 662,341.62 and 126,013.88 is: 189,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,556.94 : 662,341.62 = 126,013.88 : x
  2. Step 2: Convert to fraction form
    441,556.94/662,341.62 = 126,013.88/x
  3. Step 3: Cross multiply
    441,556.94x = 662,341.62 × 126,013.88
  4. Step 4: Simplify right side
    441,556.94x = 83,464,237,421.69
  5. Step 5: Solve for x
    x = 83,464,237,421.69/441,556.94
  6. Step 6: Final answer
    x = 189,022.59

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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.