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Finding the Fourth Proportional to 386,374.20, 579,598.20 and 120,063.24

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Solution

The fourth proportional to 386,374.20, 579,598.20 and 120,063.24 is: 180,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,374.20 : 579,598.20 = 120,063.24 : x
  2. Step 2: Convert to fraction form
    386,374.20/579,598.20 = 120,063.24/x
  3. Step 3: Cross multiply
    386,374.20x = 579,598.20 × 120,063.24
  4. Step 4: Simplify right side
    386,374.20x = 69,588,437,790.17
  5. Step 5: Solve for x
    x = 69,588,437,790.17/386,374.20
  6. Step 6: Final answer
    x = 180,106.33

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