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Finding the Fourth Proportional to 305,927.40, 458,442.90 and 274,337.40

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Solution

The fourth proportional to 305,927.40, 458,442.90 and 274,337.40 is: 411,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,927.40 : 458,442.90 = 274,337.40 : x
  2. Step 2: Convert to fraction form
    305,927.40/458,442.90 = 274,337.40/x
  3. Step 3: Cross multiply
    305,927.40x = 458,442.90 × 274,337.40
  4. Step 4: Simplify right side
    305,927.40x = 125,768,033,234.46
  5. Step 5: Solve for x
    x = 125,768,033,234.46/305,927.40
  6. Step 6: Final answer
    x = 411,104.18

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