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Finding the Fourth Proportional to 402,825.46, 603,823.47 and 215,786.74

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Solution

The fourth proportional to 402,825.46, 603,823.47 and 215,786.74 is: 323,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,825.46 : 603,823.47 = 215,786.74 : x
  2. Step 2: Convert to fraction form
    402,825.46/603,823.47 = 215,786.74/x
  3. Step 3: Cross multiply
    402,825.46x = 603,823.47 × 215,786.74
  4. Step 4: Simplify right side
    402,825.46x = 130,297,098,126.79
  5. Step 5: Solve for x
    x = 130,297,098,126.79/402,825.46
  6. Step 6: Final answer
    x = 323,457.95

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