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Finding the Fourth Proportional to 403,524.80, 605,870.40 and 304,380.80

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Solution

The fourth proportional to 403,524.80, 605,870.40 and 304,380.80 is: 457,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,524.80 : 605,870.40 = 304,380.80 : x
  2. Step 2: Convert to fraction form
    403,524.80/605,870.40 = 304,380.80/x
  3. Step 3: Cross multiply
    403,524.80x = 605,870.40 × 304,380.80
  4. Step 4: Simplify right side
    403,524.80x = 184,415,317,048.32
  5. Step 5: Solve for x
    x = 184,415,317,048.32/403,524.80
  6. Step 6: Final answer
    x = 457,011.11

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