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Finding the Fourth Proportional to 386,628.01, 533,545.54 and 214,571.94

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Solution

The fourth proportional to 386,628.01, 533,545.54 and 214,571.94 is: 296,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,628.01 : 533,545.54 = 214,571.94 : x
  2. Step 2: Convert to fraction form
    386,628.01/533,545.54 = 214,571.94/x
  3. Step 3: Cross multiply
    386,628.01x = 533,545.54 × 214,571.94
  4. Step 4: Simplify right side
    386,628.01x = 114,483,901,596.15
  5. Step 5: Solve for x
    x = 114,483,901,596.15/386,628.01
  6. Step 6: Final answer
    x = 296,108.66

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