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Finding the Fourth Proportional to 286,438.22, 429,250.01 and 210,964.85

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Solution

The fourth proportional to 286,438.22, 429,250.01 and 210,964.85 is: 316,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,438.22 : 429,250.01 = 210,964.85 : x
  2. Step 2: Convert to fraction form
    286,438.22/429,250.01 = 210,964.85/x
  3. Step 3: Cross multiply
    286,438.22x = 429,250.01 × 210,964.85
  4. Step 4: Simplify right side
    286,438.22x = 90,556,665,388.63
  5. Step 5: Solve for x
    x = 90,556,665,388.63/286,438.22
  6. Step 6: Final answer
    x = 316,147.28

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