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Finding the Fourth Proportional to 432,021.70, 646,898.55 and 304,975.90

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Solution

The fourth proportional to 432,021.70, 646,898.55 and 304,975.90 is: 456,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,021.70 : 646,898.55 = 304,975.90 : x
  2. Step 2: Convert to fraction form
    432,021.70/646,898.55 = 304,975.90/x
  3. Step 3: Cross multiply
    432,021.70x = 646,898.55 × 304,975.90
  4. Step 4: Simplify right side
    432,021.70x = 197,288,467,494.95
  5. Step 5: Solve for x
    x = 197,288,467,494.95/432,021.70
  6. Step 6: Final answer
    x = 456,663.33

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