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Finding the Fourth Proportional to 374,605.20, 561,838.04 and 108,299.84

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Solution

The fourth proportional to 374,605.20, 561,838.04 and 108,299.84 is: 162,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,605.20 : 561,838.04 = 108,299.84 : x
  2. Step 2: Convert to fraction form
    374,605.20/561,838.04 = 108,299.84/x
  3. Step 3: Cross multiply
    374,605.20x = 561,838.04 × 108,299.84
  4. Step 4: Simplify right side
    374,605.20x = 60,846,969,837.91
  5. Step 5: Solve for x
    x = 60,846,969,837.91/374,605.20
  6. Step 6: Final answer
    x = 162,429.59

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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.