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Finding the Fourth Proportional to 659,158.43, 988,737.64 and 304,067.39

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Solution

The fourth proportional to 659,158.43, 988,737.64 and 304,067.39 is: 456,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,158.43 : 988,737.64 = 304,067.39 : x
  2. Step 2: Convert to fraction form
    659,158.43/988,737.64 = 304,067.39/x
  3. Step 3: Cross multiply
    659,158.43x = 988,737.64 × 304,067.39
  4. Step 4: Simplify right side
    659,158.43x = 300,642,867,885.70
  5. Step 5: Solve for x
    x = 300,642,867,885.70/659,158.43
  6. Step 6: Final answer
    x = 456,101.08

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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.