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Finding the Fourth Proportional to 448,725.66, 672,891.30 and 168,046.08

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Solution

The fourth proportional to 448,725.66, 672,891.30 and 168,046.08 is: 251,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,725.66 : 672,891.30 = 168,046.08 : x
  2. Step 2: Convert to fraction form
    448,725.66/672,891.30 = 168,046.08/x
  3. Step 3: Cross multiply
    448,725.66x = 672,891.30 × 168,046.08
  4. Step 4: Simplify right side
    448,725.66x = 113,076,745,231.10
  5. Step 5: Solve for x
    x = 113,076,745,231.10/448,725.66
  6. Step 6: Final answer
    x = 251,995.27

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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.