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Finding the Fourth Proportional to 566,484.92, 781,777.26 and 311,833.40

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Solution

The fourth proportional to 566,484.92, 781,777.26 and 311,833.40 is: 430,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,484.92 : 781,777.26 = 311,833.40 : x
  2. Step 2: Convert to fraction form
    566,484.92/781,777.26 = 311,833.40/x
  3. Step 3: Cross multiply
    566,484.92x = 781,777.26 × 311,833.40
  4. Step 4: Simplify right side
    566,484.92x = 243,784,261,028.48
  5. Step 5: Solve for x
    x = 243,784,261,028.48/566,484.92
  6. Step 6: Final answer
    x = 430,345.54

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