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Finding the Fourth Proportional to 357,345.78, 493,143.35 and 196,207.62

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Solution

The fourth proportional to 357,345.78, 493,143.35 and 196,207.62 is: 270,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,345.78 : 493,143.35 = 196,207.62 : x
  2. Step 2: Convert to fraction form
    357,345.78/493,143.35 = 196,207.62/x
  3. Step 3: Cross multiply
    357,345.78x = 493,143.35 × 196,207.62
  4. Step 4: Simplify right side
    357,345.78x = 96,758,482,041.29
  5. Step 5: Solve for x
    x = 96,758,482,041.29/357,345.78
  6. Step 6: Final answer
    x = 270,769.90

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