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Finding the Fourth Proportional to 294,070,857.60, 441,200,764.80 and 197,136,019.20

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Solution

The fourth proportional to 294,070,857.60, 441,200,764.80 and 197,136,019.20 is: 295,767,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,070,857.60 : 441,200,764.80 = 197,136,019.20 : x
  2. Step 2: Convert to fraction form
    294,070,857.60/441,200,764.80 = 197,136,019.20/x
  3. Step 3: Cross multiply
    294,070,857.60x = 441,200,764.80 × 197,136,019.20
  4. Step 4: Simplify right side
    294,070,857.60x = 86,976,562,440,667,488
  5. Step 5: Solve for x
    x = 86,976,562,440,667,488/294,070,857.60
  6. Step 6: Final answer
    x = 295,767,364.20

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