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Finding the Fourth Proportional to 338,892.22, 508,164.66 and 179,053.96

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Solution

The fourth proportional to 338,892.22, 508,164.66 and 179,053.96 is: 268,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,892.22 : 508,164.66 = 179,053.96 : x
  2. Step 2: Convert to fraction form
    338,892.22/508,164.66 = 179,053.96/x
  3. Step 3: Cross multiply
    338,892.22x = 508,164.66 × 179,053.96
  4. Step 4: Simplify right side
    338,892.22x = 90,988,894,705.05
  5. Step 5: Solve for x
    x = 90,988,894,705.05/338,892.22
  6. Step 6: Final answer
    x = 268,489.18

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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.