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Finding the Fourth Proportional to 336,548.98, 504,675.78 and 126,039.43

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Solution

The fourth proportional to 336,548.98, 504,675.78 and 126,039.43 is: 189,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,548.98 : 504,675.78 = 126,039.43 : x
  2. Step 2: Convert to fraction form
    336,548.98/504,675.78 = 126,039.43/x
  3. Step 3: Cross multiply
    336,548.98x = 504,675.78 × 126,039.43
  4. Step 4: Simplify right side
    336,548.98x = 63,609,047,646.01
  5. Step 5: Solve for x
    x = 63,609,047,646.01/336,548.98
  6. Step 6: Final answer
    x = 189,003.83

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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.