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Finding the Fourth Proportional to 545,999.28, 818,997.96 and 246,584.88

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Solution

The fourth proportional to 545,999.28, 818,997.96 and 246,584.88 is: 369,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,999.28 : 818,997.96 = 246,584.88 : x
  2. Step 2: Convert to fraction form
    545,999.28/818,997.96 = 246,584.88/x
  3. Step 3: Cross multiply
    545,999.28x = 818,997.96 × 246,584.88
  4. Step 4: Simplify right side
    545,999.28x = 201,952,513,686.85
  5. Step 5: Solve for x
    x = 201,952,513,686.85/545,999.28
  6. Step 6: Final answer
    x = 369,876.89

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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.