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Finding the Fourth Proportional to 659,646.72, 988,151.04 and 304,174.08

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Solution

The fourth proportional to 659,646.72, 988,151.04 and 304,174.08 is: 455,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,646.72 : 988,151.04 = 304,174.08 : x
  2. Step 2: Convert to fraction form
    659,646.72/988,151.04 = 304,174.08/x
  3. Step 3: Cross multiply
    659,646.72x = 988,151.04 × 304,174.08
  4. Step 4: Simplify right side
    659,646.72x = 300,569,933,493.04
  5. Step 5: Solve for x
    x = 300,569,933,493.04/659,646.72
  6. Step 6: Final answer
    x = 455,652.89

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