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Finding the Fourth Proportional to 978,701.80, 1,465,719.90 and 978,701.80

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Solution

The fourth proportional to 978,701.80, 1,465,719.90 and 978,701.80 is: 1,465,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,701.80 : 1,465,719.90 = 978,701.80 : x
  2. Step 2: Convert to fraction form
    978,701.80/1,465,719.90 = 978,701.80/x
  3. Step 3: Cross multiply
    978,701.80x = 1,465,719.90 × 978,701.80
  4. Step 4: Simplify right side
    978,701.80x = 1,434,502,704,425.82
  5. Step 5: Solve for x
    x = 1,434,502,704,425.82/978,701.80
  6. Step 6: Final answer
    x = 1,465,719.90

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