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Finding the Fourth Proportional to 310,748.27, 465,374.70 and 210,604.62

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Solution

The fourth proportional to 310,748.27, 465,374.70 and 210,604.62 is: 315,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,748.27 : 465,374.70 = 210,604.62 : x
  2. Step 2: Convert to fraction form
    310,748.27/465,374.70 = 210,604.62/x
  3. Step 3: Cross multiply
    310,748.27x = 465,374.70 × 210,604.62
  4. Step 4: Simplify right side
    310,748.27x = 98,010,061,851.11
  5. Step 5: Solve for x
    x = 98,010,061,851.11/310,748.27
  6. Step 6: Final answer
    x = 315,400.19

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