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Finding the Fourth Proportional to 483,216.40, 724,133.40 and 355,862.80

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Solution

The fourth proportional to 483,216.40, 724,133.40 and 355,862.80 is: 533,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,216.40 : 724,133.40 = 355,862.80 : x
  2. Step 2: Convert to fraction form
    483,216.40/724,133.40 = 355,862.80/x
  3. Step 3: Cross multiply
    483,216.40x = 724,133.40 × 355,862.80
  4. Step 4: Simplify right side
    483,216.40x = 257,692,139,297.52
  5. Step 5: Solve for x
    x = 257,692,139,297.52/483,216.40
  6. Step 6: Final answer
    x = 533,285.17

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