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Finding the Fourth Proportional to 417,958.81, 576,959.71 and 282,176.66

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Solution

The fourth proportional to 417,958.81, 576,959.71 and 282,176.66 is: 389,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,958.81 : 576,959.71 = 282,176.66 : x
  2. Step 2: Convert to fraction form
    417,958.81/576,959.71 = 282,176.66/x
  3. Step 3: Cross multiply
    417,958.81x = 576,959.71 × 282,176.66
  4. Step 4: Simplify right side
    417,958.81x = 162,804,564,659.33
  5. Step 5: Solve for x
    x = 162,804,564,659.33/417,958.81
  6. Step 6: Final answer
    x = 389,522.99

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