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Finding the Fourth Proportional to 435,478.77, 653,212.37 and 210,859.29

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Solution

The fourth proportional to 435,478.77, 653,212.37 and 210,859.29 is: 316,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,478.77 : 653,212.37 = 210,859.29 : x
  2. Step 2: Convert to fraction form
    435,478.77/653,212.37 = 210,859.29/x
  3. Step 3: Cross multiply
    435,478.77x = 653,212.37 × 210,859.29
  4. Step 4: Simplify right side
    435,478.77x = 137,735,895,503.12
  5. Step 5: Solve for x
    x = 137,735,895,503.12/435,478.77
  6. Step 6: Final answer
    x = 316,286.13

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