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Finding the Fourth Proportional to 379,303.83, 568,955.57 and 113,057.55

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Solution

The fourth proportional to 379,303.83, 568,955.57 and 113,057.55 is: 169,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,303.83 : 568,955.57 = 113,057.55 : x
  2. Step 2: Convert to fraction form
    379,303.83/568,955.57 = 113,057.55/x
  3. Step 3: Cross multiply
    379,303.83x = 568,955.57 × 113,057.55
  4. Step 4: Simplify right side
    379,303.83x = 64,324,722,237.77
  5. Step 5: Solve for x
    x = 64,324,722,237.77/379,303.83
  6. Step 6: Final answer
    x = 169,586.27

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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.