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Finding the Fourth Proportional to 671,505.36, 926,686.78 and 365,590.99

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Solution

The fourth proportional to 671,505.36, 926,686.78 and 365,590.99 is: 504,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,505.36 : 926,686.78 = 365,590.99 : x
  2. Step 2: Convert to fraction form
    671,505.36/926,686.78 = 365,590.99/x
  3. Step 3: Cross multiply
    671,505.36x = 926,686.78 × 365,590.99
  4. Step 4: Simplify right side
    671,505.36x = 338,788,332,351.88
  5. Step 5: Solve for x
    x = 338,788,332,351.88/671,505.36
  6. Step 6: Final answer
    x = 504,520.67

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