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Finding the Fourth Proportional to 448,574.16, 672,863.67 and 133,033.80

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Solution

The fourth proportional to 448,574.16, 672,863.67 and 133,033.80 is: 199,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,574.16 : 672,863.67 = 133,033.80 : x
  2. Step 2: Convert to fraction form
    448,574.16/672,863.67 = 133,033.80/x
  3. Step 3: Cross multiply
    448,574.16x = 672,863.67 × 133,033.80
  4. Step 4: Simplify right side
    448,574.16x = 89,513,610,902.05
  5. Step 5: Solve for x
    x = 89,513,610,902.05/448,574.16
  6. Step 6: Final answer
    x = 199,551.42

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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.