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Finding the Fourth Proportional to 474,057.60, 710,827.20 and 193,257.60

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Solution

The fourth proportional to 474,057.60, 710,827.20 and 193,257.60 is: 289,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,057.60 : 710,827.20 = 193,257.60 : x
  2. Step 2: Convert to fraction form
    474,057.60/710,827.20 = 193,257.60/x
  3. Step 3: Cross multiply
    474,057.60x = 710,827.20 × 193,257.60
  4. Step 4: Simplify right side
    474,057.60x = 137,372,758,686.72
  5. Step 5: Solve for x
    x = 137,372,758,686.72/474,057.60
  6. Step 6: Final answer
    x = 289,780.73

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