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Finding the Fourth Proportional to 623,140.60, 935,325.30 and 307,953.40

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Solution

The fourth proportional to 623,140.60, 935,325.30 and 307,953.40 is: 462,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,140.60 : 935,325.30 = 307,953.40 : x
  2. Step 2: Convert to fraction form
    623,140.60/935,325.30 = 307,953.40/x
  3. Step 3: Cross multiply
    623,140.60x = 935,325.30 × 307,953.40
  4. Step 4: Simplify right side
    623,140.60x = 288,036,606,241.02
  5. Step 5: Solve for x
    x = 288,036,606,241.02/623,140.60
  6. Step 6: Final answer
    x = 462,233.73

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