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Finding the Fourth Proportional to 384,151.80, 530,158.86 and 212,102.94

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Solution

The fourth proportional to 384,151.80, 530,158.86 and 212,102.94 is: 292,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,151.80 : 530,158.86 = 212,102.94 : x
  2. Step 2: Convert to fraction form
    384,151.80/530,158.86 = 212,102.94/x
  3. Step 3: Cross multiply
    384,151.80x = 530,158.86 × 212,102.94
  4. Step 4: Simplify right side
    384,151.80x = 112,448,252,873.05
  5. Step 5: Solve for x
    x = 112,448,252,873.05/384,151.80
  6. Step 6: Final answer
    x = 292,718.28

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