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Finding the Fourth Proportional to 448,618.83, 672,928.17 and 133,073.01

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Solution

The fourth proportional to 448,618.83, 672,928.17 and 133,073.01 is: 199,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,618.83 : 672,928.17 = 133,073.01 : x
  2. Step 2: Convert to fraction form
    448,618.83/672,928.17 = 133,073.01/x
  3. Step 3: Cross multiply
    448,618.83x = 672,928.17 × 133,073.01
  4. Step 4: Simplify right side
    448,618.83x = 89,548,577,095.69
  5. Step 5: Solve for x
    x = 89,548,577,095.69/448,618.83
  6. Step 6: Final answer
    x = 199,609.49

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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.