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Finding the Fourth Proportional to 259,079,092.80, 388,051,768.80 and 225,066,868.80

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Solution

The fourth proportional to 259,079,092.80, 388,051,768.80 and 225,066,868.80 is: 337,107,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,079,092.80 : 388,051,768.80 = 225,066,868.80 : x
  2. Step 2: Convert to fraction form
    259,079,092.80/388,051,768.80 = 225,066,868.80/x
  3. Step 3: Cross multiply
    259,079,092.80x = 388,051,768.80 × 225,066,868.80
  4. Step 4: Simplify right side
    259,079,092.80x = 87,337,596,536,117,536
  5. Step 5: Solve for x
    x = 87,337,596,536,117,536/259,079,092.80
  6. Step 6: Final answer
    x = 337,107,852.25

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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.