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Finding the Fourth Proportional to 535,504.05, 802,763.78 and 231,708.51

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Solution

The fourth proportional to 535,504.05, 802,763.78 and 231,708.51 is: 347,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,504.05 : 802,763.78 = 231,708.51 : x
  2. Step 2: Convert to fraction form
    535,504.05/802,763.78 = 231,708.51/x
  3. Step 3: Cross multiply
    535,504.05x = 802,763.78 × 231,708.51
  4. Step 4: Simplify right side
    535,504.05x = 186,007,198,187.23
  5. Step 5: Solve for x
    x = 186,007,198,187.23/535,504.05
  6. Step 6: Final answer
    x = 347,349.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.