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Finding the Fourth Proportional to 314,928,253.60, 472,392,380.40 and 265,043,658.40

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Solution

The fourth proportional to 314,928,253.60, 472,392,380.40 and 265,043,658.40 is: 397,565,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,253.60 : 472,392,380.40 = 265,043,658.40 : x
  2. Step 2: Convert to fraction form
    314,928,253.60/472,392,380.40 = 265,043,658.40/x
  3. Step 3: Cross multiply
    314,928,253.60x = 472,392,380.40 × 265,043,658.40
  4. Step 4: Simplify right side
    314,928,253.60x = 125,204,604,701,500,448
  5. Step 5: Solve for x
    x = 125,204,604,701,500,448/314,928,253.60
  6. Step 6: Final answer
    x = 397,565,487.60

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