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Finding the Fourth Proportional to 358,508.56, 494,726.66 and 195,161.67

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Solution

The fourth proportional to 358,508.56, 494,726.66 and 195,161.67 is: 269,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,508.56 : 494,726.66 = 195,161.67 : x
  2. Step 2: Convert to fraction form
    358,508.56/494,726.66 = 195,161.67/x
  3. Step 3: Cross multiply
    358,508.56x = 494,726.66 × 195,161.67
  4. Step 4: Simplify right side
    358,508.56x = 96,551,680,732.21
  5. Step 5: Solve for x
    x = 96,551,680,732.21/358,508.56
  6. Step 6: Final answer
    x = 269,314.85

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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.