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Finding the Fourth Proportional to 354,184.34, 531,433.55 and 185,664.44

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Solution

The fourth proportional to 354,184.34, 531,433.55 and 185,664.44 is: 278,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,184.34 : 531,433.55 = 185,664.44 : x
  2. Step 2: Convert to fraction form
    354,184.34/531,433.55 = 185,664.44/x
  3. Step 3: Cross multiply
    354,184.34x = 531,433.55 × 185,664.44
  4. Step 4: Simplify right side
    354,184.34x = 98,668,312,457.96
  5. Step 5: Solve for x
    x = 98,668,312,457.96/354,184.34
  6. Step 6: Final answer
    x = 278,578.98

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