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Finding the Fourth Proportional to 529,140.93, 729,519.64 and 381,842.18

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Solution

The fourth proportional to 529,140.93, 729,519.64 and 381,842.18 is: 526,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,140.93 : 729,519.64 = 381,842.18 : x
  2. Step 2: Convert to fraction form
    529,140.93/729,519.64 = 381,842.18/x
  3. Step 3: Cross multiply
    529,140.93x = 729,519.64 × 381,842.18
  4. Step 4: Simplify right side
    529,140.93x = 278,561,370,559.61
  5. Step 5: Solve for x
    x = 278,561,370,559.61/529,140.93
  6. Step 6: Final answer
    x = 526,440.79

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