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Finding the Fourth Proportional to 469,885.79, 648,425.93 and 255,021.55

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Solution

The fourth proportional to 469,885.79, 648,425.93 and 255,021.55 is: 351,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,885.79 : 648,425.93 = 255,021.55 : x
  2. Step 2: Convert to fraction form
    469,885.79/648,425.93 = 255,021.55/x
  3. Step 3: Cross multiply
    469,885.79x = 648,425.93 × 255,021.55
  4. Step 4: Simplify right side
    469,885.79x = 165,362,581,211.55
  5. Step 5: Solve for x
    x = 165,362,581,211.55/469,885.79
  6. Step 6: Final answer
    x = 351,920.80

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