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Finding the Fourth Proportional to 219,607.80, 329,411.70 and 193,363.80

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Solution

The fourth proportional to 219,607.80, 329,411.70 and 193,363.80 is: 290,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,607.80 : 329,411.70 = 193,363.80 : x
  2. Step 2: Convert to fraction form
    219,607.80/329,411.70 = 193,363.80/x
  3. Step 3: Cross multiply
    219,607.80x = 329,411.70 × 193,363.80
  4. Step 4: Simplify right side
    219,607.80x = 63,696,298,076.46
  5. Step 5: Solve for x
    x = 63,696,298,076.46/219,607.80
  6. Step 6: Final answer
    x = 290,045.70

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