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Finding the Fourth Proportional to 355,777.12, 534,276.24 and 315,886.24

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Solution

The fourth proportional to 355,777.12, 534,276.24 and 315,886.24 is: 474,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,777.12 : 534,276.24 = 315,886.24 : x
  2. Step 2: Convert to fraction form
    355,777.12/534,276.24 = 315,886.24/x
  3. Step 3: Cross multiply
    355,777.12x = 534,276.24 × 315,886.24
  4. Step 4: Simplify right side
    355,777.12x = 168,770,512,574.94
  5. Step 5: Solve for x
    x = 168,770,512,574.94/355,777.12
  6. Step 6: Final answer
    x = 474,371.46

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