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Finding the Fourth Proportional to 493,609.29, 681,063.66 and 300,013.62

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Solution

The fourth proportional to 493,609.29, 681,063.66 and 300,013.62 is: 413,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,609.29 : 681,063.66 = 300,013.62 : x
  2. Step 2: Convert to fraction form
    493,609.29/681,063.66 = 300,013.62/x
  3. Step 3: Cross multiply
    493,609.29x = 681,063.66 × 300,013.62
  4. Step 4: Simplify right side
    493,609.29x = 204,328,374,087.05
  5. Step 5: Solve for x
    x = 204,328,374,087.05/493,609.29
  6. Step 6: Final answer
    x = 413,947.59

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1.5x scale

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.