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Finding the Fourth Proportional to 362,028.69, 542,759.54 and 228,628.98

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Solution

The fourth proportional to 362,028.69, 542,759.54 and 228,628.98 is: 342,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,028.69 : 542,759.54 = 228,628.98 : x
  2. Step 2: Convert to fraction form
    362,028.69/542,759.54 = 228,628.98/x
  3. Step 3: Cross multiply
    362,028.69x = 542,759.54 × 228,628.98
  4. Step 4: Simplify right side
    362,028.69x = 124,090,558,872.32
  5. Step 5: Solve for x
    x = 124,090,558,872.32/362,028.69
  6. Step 6: Final answer
    x = 342,764.43

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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.