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Finding the Fourth Proportional to 605,719.20, 907,558.20 and 478,873.20

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Solution

The fourth proportional to 605,719.20, 907,558.20 and 478,873.20 is: 717,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,719.20 : 907,558.20 = 478,873.20 : x
  2. Step 2: Convert to fraction form
    605,719.20/907,558.20 = 478,873.20/x
  3. Step 3: Cross multiply
    605,719.20x = 907,558.20 × 478,873.20
  4. Step 4: Simplify right side
    605,719.20x = 434,605,299,420.24
  5. Step 5: Solve for x
    x = 434,605,299,420.24/605,719.20
  6. Step 6: Final answer
    x = 717,502.93

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