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Finding the Fourth Proportional to 388,220.65, 535,605.83 and 224,787.95

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Solution

The fourth proportional to 388,220.65, 535,605.83 and 224,787.95 is: 310,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,220.65 : 535,605.83 = 224,787.95 : x
  2. Step 2: Convert to fraction form
    388,220.65/535,605.83 = 224,787.95/x
  3. Step 3: Cross multiply
    388,220.65x = 535,605.83 × 224,787.95
  4. Step 4: Simplify right side
    388,220.65x = 120,397,732,731.78
  5. Step 5: Solve for x
    x = 120,397,732,731.78/388,220.65
  6. Step 6: Final answer
    x = 310,127.07

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