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Finding the Fourth Proportional to 978,046.30, 1,465,101.15 and 659,181.70

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Solution

The fourth proportional to 978,046.30, 1,465,101.15 and 659,181.70 is: 987,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,046.30 : 1,465,101.15 = 659,181.70 : x
  2. Step 2: Convert to fraction form
    978,046.30/1,465,101.15 = 659,181.70/x
  3. Step 3: Cross multiply
    978,046.30x = 1,465,101.15 × 659,181.70
  4. Step 4: Simplify right side
    978,046.30x = 965,767,866,728.96
  5. Step 5: Solve for x
    x = 965,767,866,728.96/978,046.30
  6. Step 6: Final answer
    x = 987,445.96

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