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Finding the Fourth Proportional to 659,194.36, 988,791.42 and 304,103.32

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Solution

The fourth proportional to 659,194.36, 988,791.42 and 304,103.32 is: 456,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,194.36 : 988,791.42 = 304,103.32 : x
  2. Step 2: Convert to fraction form
    659,194.36/988,791.42 = 304,103.32/x
  3. Step 3: Cross multiply
    659,194.36x = 988,791.42 × 304,103.32
  4. Step 4: Simplify right side
    659,194.36x = 300,694,753,609.51
  5. Step 5: Solve for x
    x = 300,694,753,609.51/659,194.36
  6. Step 6: Final answer
    x = 456,154.92

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Double scale
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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.