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Finding the Fourth Proportional to 463,993.80, 640,281.12 and 272,970.28

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Solution

The fourth proportional to 463,993.80, 640,281.12 and 272,970.28 is: 376,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,993.80 : 640,281.12 = 272,970.28 : x
  2. Step 2: Convert to fraction form
    463,993.80/640,281.12 = 272,970.28/x
  3. Step 3: Cross multiply
    463,993.80x = 640,281.12 × 272,970.28
  4. Step 4: Simplify right side
    463,993.80x = 174,777,716,605.11
  5. Step 5: Solve for x
    x = 174,777,716,605.11/463,993.80
  6. Step 6: Final answer
    x = 376,681.15

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