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Finding the Fourth Proportional to 403,277.40, 604,916.10 and 206,669.40

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Solution

The fourth proportional to 403,277.40, 604,916.10 and 206,669.40 is: 310,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,277.40 : 604,916.10 = 206,669.40 : x
  2. Step 2: Convert to fraction form
    403,277.40/604,916.10 = 206,669.40/x
  3. Step 3: Cross multiply
    403,277.40x = 604,916.10 × 206,669.40
  4. Step 4: Simplify right side
    403,277.40x = 125,017,647,437.34
  5. Step 5: Solve for x
    x = 125,017,647,437.34/403,277.40
  6. Step 6: Final answer
    x = 310,004.10

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