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Finding the Fourth Proportional to 554,431.13, 831,653.29 and 217,630.40

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Solution

The fourth proportional to 554,431.13, 831,653.29 and 217,630.40 is: 326,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,431.13 : 831,653.29 = 217,630.40 : x
  2. Step 2: Convert to fraction form
    554,431.13/831,653.29 = 217,630.40/x
  3. Step 3: Cross multiply
    554,431.13x = 831,653.29 × 217,630.40
  4. Step 4: Simplify right side
    554,431.13x = 180,993,034,277.79
  5. Step 5: Solve for x
    x = 180,993,034,277.79/554,431.13
  6. Step 6: Final answer
    x = 326,448.18

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