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Finding the Fourth Proportional to 888,141.55, 1,330,681.42 and 413,854.15

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Solution

The fourth proportional to 888,141.55, 1,330,681.42 and 413,854.15 is: 620,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,141.55 : 1,330,681.42 = 413,854.15 : x
  2. Step 2: Convert to fraction form
    888,141.55/1,330,681.42 = 413,854.15/x
  3. Step 3: Cross multiply
    888,141.55x = 1,330,681.42 × 413,854.15
  4. Step 4: Simplify right side
    888,141.55x = 550,708,027,994.89
  5. Step 5: Solve for x
    x = 550,708,027,994.89/888,141.55
  6. Step 6: Final answer
    x = 620,067.86

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