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Finding the Fourth Proportional to 378,543.60, 567,815.40 and 310,892.40

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Solution

The fourth proportional to 378,543.60, 567,815.40 and 310,892.40 is: 466,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,543.60 : 567,815.40 = 310,892.40 : x
  2. Step 2: Convert to fraction form
    378,543.60/567,815.40 = 310,892.40/x
  3. Step 3: Cross multiply
    378,543.60x = 567,815.40 × 310,892.40
  4. Step 4: Simplify right side
    378,543.60x = 176,529,492,462.96
  5. Step 5: Solve for x
    x = 176,529,492,462.96/378,543.60
  6. Step 6: Final answer
    x = 466,338.60

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