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Finding the Fourth Proportional to 457,475.12, 631,315.74 and 256,271.12

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Solution

The fourth proportional to 457,475.12, 631,315.74 and 256,271.12 is: 353,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,475.12 : 631,315.74 = 256,271.12 : x
  2. Step 2: Convert to fraction form
    457,475.12/631,315.74 = 256,271.12/x
  3. Step 3: Cross multiply
    457,475.12x = 631,315.74 × 256,271.12
  4. Step 4: Simplify right side
    457,475.12x = 161,787,991,763.43
  5. Step 5: Solve for x
    x = 161,787,991,763.43/457,475.12
  6. Step 6: Final answer
    x = 353,654.19

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