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Finding the Fourth Proportional to 374,375.82, 516,638.66 and 204,609.95

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Solution

The fourth proportional to 374,375.82, 516,638.66 and 204,609.95 is: 282,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,375.82 : 516,638.66 = 204,609.95 : x
  2. Step 2: Convert to fraction form
    374,375.82/516,638.66 = 204,609.95/x
  3. Step 3: Cross multiply
    374,375.82x = 516,638.66 × 204,609.95
  4. Step 4: Simplify right side
    374,375.82x = 105,709,408,721.82
  5. Step 5: Solve for x
    x = 105,709,408,721.82/374,375.82
  6. Step 6: Final answer
    x = 282,361.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.