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Finding the Fourth Proportional to 432,825.80, 649,238.70 and 266,707.40

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Solution

The fourth proportional to 432,825.80, 649,238.70 and 266,707.40 is: 400,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,825.80 : 649,238.70 = 266,707.40 : x
  2. Step 2: Convert to fraction form
    432,825.80/649,238.70 = 266,707.40/x
  3. Step 3: Cross multiply
    432,825.80x = 649,238.70 × 266,707.40
  4. Step 4: Simplify right side
    432,825.80x = 173,156,765,656.38
  5. Step 5: Solve for x
    x = 173,156,765,656.38/432,825.80
  6. Step 6: Final answer
    x = 400,061.10

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