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Finding the Fourth Proportional to 553,519.66, 830,280.30 and 154,161.58

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Solution

The fourth proportional to 553,519.66, 830,280.30 and 154,161.58 is: 231,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,519.66 : 830,280.30 = 154,161.58 : x
  2. Step 2: Convert to fraction form
    553,519.66/830,280.30 = 154,161.58/x
  3. Step 3: Cross multiply
    553,519.66x = 830,280.30 × 154,161.58
  4. Step 4: Simplify right side
    553,519.66x = 127,997,322,890.87
  5. Step 5: Solve for x
    x = 127,997,322,890.87/553,519.66
  6. Step 6: Final answer
    x = 231,242.60

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