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Finding the Fourth Proportional to 448,895.69, 673,228.34 and 133,279.37

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Solution

The fourth proportional to 448,895.69, 673,228.34 and 133,279.37 is: 199,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,895.69 : 673,228.34 = 133,279.37 : x
  2. Step 2: Convert to fraction form
    448,895.69/673,228.34 = 133,279.37/x
  3. Step 3: Cross multiply
    448,895.69x = 673,228.34 × 133,279.37
  4. Step 4: Simplify right side
    448,895.69x = 89,727,448,354.95
  5. Step 5: Solve for x
    x = 89,727,448,354.95/448,895.69
  6. Step 6: Final answer
    x = 199,884.85

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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.