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Finding the Fourth Proportional to 338,665.62, 507,001.89 and 226,066.56

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Solution

The fourth proportional to 338,665.62, 507,001.89 and 226,066.56 is: 338,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,665.62 : 507,001.89 = 226,066.56 : x
  2. Step 2: Convert to fraction form
    338,665.62/507,001.89 = 226,066.56/x
  3. Step 3: Cross multiply
    338,665.62x = 507,001.89 × 226,066.56
  4. Step 4: Simplify right side
    338,665.62x = 114,616,173,185.80
  5. Step 5: Solve for x
    x = 114,616,173,185.80/338,665.62
  6. Step 6: Final answer
    x = 338,434.63

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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.