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Finding the Fourth Proportional to 346,449.72, 478,430.78 and 327,580.70

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Solution

The fourth proportional to 346,449.72, 478,430.78 and 327,580.70 is: 452,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,449.72 : 478,430.78 = 327,580.70 : x
  2. Step 2: Convert to fraction form
    346,449.72/478,430.78 = 327,580.70/x
  3. Step 3: Cross multiply
    346,449.72x = 478,430.78 × 327,580.70
  4. Step 4: Simplify right side
    346,449.72x = 156,724,689,813.95
  5. Step 5: Solve for x
    x = 156,724,689,813.95/346,449.72
  6. Step 6: Final answer
    x = 452,373.55

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