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Finding the Fourth Proportional to 379,269.08, 568,903.44 and 113,022.80

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Solution

The fourth proportional to 379,269.08, 568,903.44 and 113,022.80 is: 169,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,269.08 : 568,903.44 = 113,022.80 : x
  2. Step 2: Convert to fraction form
    379,269.08/568,903.44 = 113,022.80/x
  3. Step 3: Cross multiply
    379,269.08x = 568,903.44 × 113,022.80
  4. Step 4: Simplify right side
    379,269.08x = 64,299,059,718.43
  5. Step 5: Solve for x
    x = 64,299,059,718.43/379,269.08
  6. Step 6: Final answer
    x = 169,534.15

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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.