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Finding the Fourth Proportional to 625,988.01, 863,864.52 and 339,508.32

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Solution

The fourth proportional to 625,988.01, 863,864.52 and 339,508.32 is: 468,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,988.01 : 863,864.52 = 339,508.32 : x
  2. Step 2: Convert to fraction form
    625,988.01/863,864.52 = 339,508.32/x
  3. Step 3: Cross multiply
    625,988.01x = 863,864.52 × 339,508.32
  4. Step 4: Simplify right side
    625,988.01x = 293,289,191,892.81
  5. Step 5: Solve for x
    x = 293,289,191,892.81/625,988.01
  6. Step 6: Final answer
    x = 468,522.06

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