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Finding the Fourth Proportional to 615,741.40, 922,056.90 and 404,234.20

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Solution

The fourth proportional to 615,741.40, 922,056.90 and 404,234.20 is: 605,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,741.40 : 922,056.90 = 404,234.20 : x
  2. Step 2: Convert to fraction form
    615,741.40/922,056.90 = 404,234.20/x
  3. Step 3: Cross multiply
    615,741.40x = 922,056.90 × 404,234.20
  4. Step 4: Simplify right side
    615,741.40x = 372,726,933,325.98
  5. Step 5: Solve for x
    x = 372,726,933,325.98/615,741.40
  6. Step 6: Final answer
    x = 605,330.31

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