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Finding the Fourth Proportional to 448,896.19, 673,229.09 and 133,279.87

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Solution

The fourth proportional to 448,896.19, 673,229.09 and 133,279.87 is: 199,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,896.19 : 673,229.09 = 133,279.87 : x
  2. Step 2: Convert to fraction form
    448,896.19/673,229.09 = 133,279.87/x
  3. Step 3: Cross multiply
    448,896.19x = 673,229.09 × 133,279.87
  4. Step 4: Simplify right side
    448,896.19x = 89,727,884,929.02
  5. Step 5: Solve for x
    x = 89,727,884,929.02/448,896.19
  6. Step 6: Final answer
    x = 199,885.60

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1.5x scale

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.