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Finding the Fourth Proportional to 545,862.34, 753,280.00 and 304,139.71

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Solution

The fourth proportional to 545,862.34, 753,280.00 and 304,139.71 is: 419,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,862.34 : 753,280.00 = 304,139.71 : x
  2. Step 2: Convert to fraction form
    545,862.34/753,280.00 = 304,139.71/x
  3. Step 3: Cross multiply
    545,862.34x = 753,280.00 × 304,139.71
  4. Step 4: Simplify right side
    545,862.34x = 229,102,362,640.84
  5. Step 5: Solve for x
    x = 229,102,362,640.84/545,862.34
  6. Step 6: Final answer
    x = 419,707.21

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