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Finding the Fourth Proportional to 836,839.80, 1,155,135.06 and 497,304

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Solution

The fourth proportional to 836,839.80, 1,155,135.06 and 497,304 is: 686,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,839.80 : 1,155,135.06 = 497,304 : x
  2. Step 2: Convert to fraction form
    836,839.80/1,155,135.06 = 497,304/x
  3. Step 3: Cross multiply
    836,839.80x = 1,155,135.06 × 497,304
  4. Step 4: Simplify right side
    836,839.80x = 574,453,285,878.24
  5. Step 5: Solve for x
    x = 574,453,285,878.24/836,839.80
  6. Step 6: Final answer
    x = 686,455.50

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