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Finding the Fourth Proportional to 663,362.20, 995,453.70 and 348,045.40

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Solution

The fourth proportional to 663,362.20, 995,453.70 and 348,045.40 is: 522,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,362.20 : 995,453.70 = 348,045.40 : x
  2. Step 2: Convert to fraction form
    663,362.20/995,453.70 = 348,045.40/x
  3. Step 3: Cross multiply
    663,362.20x = 995,453.70 × 348,045.40
  4. Step 4: Simplify right side
    663,362.20x = 346,463,081,197.98
  5. Step 5: Solve for x
    x = 346,463,081,197.98/663,362.20
  6. Step 6: Final answer
    x = 522,283.42

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