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Finding the Fourth Proportional to 448,722.54, 672,886.62 and 168,042.96

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Solution

The fourth proportional to 448,722.54, 672,886.62 and 168,042.96 is: 251,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,722.54 : 672,886.62 = 168,042.96 : x
  2. Step 2: Convert to fraction form
    448,722.54/672,886.62 = 168,042.96/x
  3. Step 3: Cross multiply
    448,722.54x = 672,886.62 × 168,042.96
  4. Step 4: Simplify right side
    448,722.54x = 113,073,859,369.20
  5. Step 5: Solve for x
    x = 113,073,859,369.20/448,722.54
  6. Step 6: Final answer
    x = 251,990.59

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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.