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Finding the Fourth Proportional to 448,617.44, 672,729.30 and 167,937.86

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Solution

The fourth proportional to 448,617.44, 672,729.30 and 167,937.86 is: 251,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,617.44 : 672,729.30 = 167,937.86 : x
  2. Step 2: Convert to fraction form
    448,617.44/672,729.30 = 167,937.86/x
  3. Step 3: Cross multiply
    448,617.44x = 672,729.30 × 167,937.86
  4. Step 4: Simplify right side
    448,617.44x = 112,976,715,637.65
  5. Step 5: Solve for x
    x = 112,976,715,637.65/448,617.44
  6. Step 6: Final answer
    x = 251,833.09

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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.