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Finding the Fourth Proportional to 291,270.38, 437,075.40 and 122,780.39

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Solution

The fourth proportional to 291,270.38, 437,075.40 and 122,780.39 is: 184,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,270.38 : 437,075.40 = 122,780.39 : x
  2. Step 2: Convert to fraction form
    291,270.38/437,075.40 = 122,780.39/x
  3. Step 3: Cross multiply
    291,270.38x = 437,075.40 × 122,780.39
  4. Step 4: Simplify right side
    291,270.38x = 53,664,288,071.41
  5. Step 5: Solve for x
    x = 53,664,288,071.41/291,270.38
  6. Step 6: Final answer
    x = 184,242.17

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