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Finding the Fourth Proportional to 448,573.91, 672,863.30 and 133,033.55

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Solution

The fourth proportional to 448,573.91, 672,863.30 and 133,033.55 is: 199,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,573.91 : 672,863.30 = 133,033.55 : x
  2. Step 2: Convert to fraction form
    448,573.91/672,863.30 = 133,033.55/x
  3. Step 3: Cross multiply
    448,573.91x = 672,863.30 × 133,033.55
  4. Step 4: Simplify right side
    448,573.91x = 89,513,392,798.55
  5. Step 5: Solve for x
    x = 89,513,392,798.55/448,573.91
  6. Step 6: Final answer
    x = 199,551.05

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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.