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Finding the Fourth Proportional to 442,952.10, 664,428.15 and 440,327.70

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Solution

The fourth proportional to 442,952.10, 664,428.15 and 440,327.70 is: 660,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,952.10 : 664,428.15 = 440,327.70 : x
  2. Step 2: Convert to fraction form
    442,952.10/664,428.15 = 440,327.70/x
  3. Step 3: Cross multiply
    442,952.10x = 664,428.15 × 440,327.70
  4. Step 4: Simplify right side
    442,952.10x = 292,566,119,104.76
  5. Step 5: Solve for x
    x = 292,566,119,104.76/442,952.10
  6. Step 6: Final answer
    x = 660,491.55

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