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Finding the Fourth Proportional to 345,458.01, 517,793.93 and 210,223.82

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Solution

The fourth proportional to 345,458.01, 517,793.93 and 210,223.82 is: 315,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,458.01 : 517,793.93 = 210,223.82 : x
  2. Step 2: Convert to fraction form
    345,458.01/517,793.93 = 210,223.82/x
  3. Step 3: Cross multiply
    345,458.01x = 517,793.93 × 210,223.82
  4. Step 4: Simplify right side
    345,458.01x = 108,852,614,297.32
  5. Step 5: Solve for x
    x = 108,852,614,297.32/345,458.01
  6. Step 6: Final answer
    x = 315,096.51

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