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Finding the Fourth Proportional to 376,658.34, 519,661.80 and 213,292.50

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Solution

The fourth proportional to 376,658.34, 519,661.80 and 213,292.50 is: 294,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,658.34 : 519,661.80 = 213,292.50 : x
  2. Step 2: Convert to fraction form
    376,658.34/519,661.80 = 213,292.50/x
  3. Step 3: Cross multiply
    376,658.34x = 519,661.80 × 213,292.50
  4. Step 4: Simplify right side
    376,658.34x = 110,839,964,476.50
  5. Step 5: Solve for x
    x = 110,839,964,476.50/376,658.34
  6. Step 6: Final answer
    x = 294,271.90

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