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Finding the Fourth Proportional to 353,769.58, 530,209.19 and 191,657.37

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Solution

The fourth proportional to 353,769.58, 530,209.19 and 191,657.37 is: 287,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,769.58 : 530,209.19 = 191,657.37 : x
  2. Step 2: Convert to fraction form
    353,769.58/530,209.19 = 191,657.37/x
  3. Step 3: Cross multiply
    353,769.58x = 530,209.19 × 191,657.37
  4. Step 4: Simplify right side
    353,769.58x = 101,618,498,426.09
  5. Step 5: Solve for x
    x = 101,618,498,426.09/353,769.58
  6. Step 6: Final answer
    x = 287,244.87

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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.