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Finding the Fourth Proportional to 427,856.23, 642,107.15 and 292,597.11

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Solution

The fourth proportional to 427,856.23, 642,107.15 and 292,597.11 is: 439,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,856.23 : 642,107.15 = 292,597.11 : x
  2. Step 2: Convert to fraction form
    427,856.23/642,107.15 = 292,597.11/x
  3. Step 3: Cross multiply
    427,856.23x = 642,107.15 × 292,597.11
  4. Step 4: Simplify right side
    427,856.23x = 187,878,696,034.59
  5. Step 5: Solve for x
    x = 187,878,696,034.59/427,856.23
  6. Step 6: Final answer
    x = 439,116.42

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