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Finding the Fourth Proportional to 499,355.02, 689,109.78 and 273,000.52

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Solution

The fourth proportional to 499,355.02, 689,109.78 and 273,000.52 is: 376,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,355.02 : 689,109.78 = 273,000.52 : x
  2. Step 2: Convert to fraction form
    499,355.02/689,109.78 = 273,000.52/x
  3. Step 3: Cross multiply
    499,355.02x = 689,109.78 × 273,000.52
  4. Step 4: Simplify right side
    499,355.02x = 188,127,328,277.09
  5. Step 5: Solve for x
    x = 188,127,328,277.09/499,355.02
  6. Step 6: Final answer
    x = 376,740.64

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