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Finding the Fourth Proportional to 336,676.70, 504,781.76 and 126,258.14

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Solution

The fourth proportional to 336,676.70, 504,781.76 and 126,258.14 is: 189,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,676.70 : 504,781.76 = 126,258.14 : x
  2. Step 2: Convert to fraction form
    336,676.70/504,781.76 = 126,258.14/x
  3. Step 3: Cross multiply
    336,676.70x = 504,781.76 × 126,258.14
  4. Step 4: Simplify right side
    336,676.70x = 63,732,806,123.53
  5. Step 5: Solve for x
    x = 63,732,806,123.53/336,676.70
  6. Step 6: Final answer
    x = 189,299.72

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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.