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Finding the Fourth Proportional to 544,640.88, 817,077.96 and 228,915.84

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Solution

The fourth proportional to 544,640.88, 817,077.96 and 228,915.84 is: 343,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,640.88 : 817,077.96 = 228,915.84 : x
  2. Step 2: Convert to fraction form
    544,640.88/817,077.96 = 228,915.84/x
  3. Step 3: Cross multiply
    544,640.88x = 817,077.96 × 228,915.84
  4. Step 4: Simplify right side
    544,640.88x = 187,042,087,558.89
  5. Step 5: Solve for x
    x = 187,042,087,558.89/544,640.88
  6. Step 6: Final answer
    x = 343,422.78

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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.