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Finding the Fourth Proportional to 379,572.66, 569,458.08 and 113,333.22

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Solution

The fourth proportional to 379,572.66, 569,458.08 and 113,333.22 is: 170,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,572.66 : 569,458.08 = 113,333.22 : x
  2. Step 2: Convert to fraction form
    379,572.66/569,458.08 = 113,333.22/x
  3. Step 3: Cross multiply
    379,572.66x = 569,458.08 × 113,333.22
  4. Step 4: Simplify right side
    379,572.66x = 64,538,517,861.42
  5. Step 5: Solve for x
    x = 64,538,517,861.42/379,572.66
  6. Step 6: Final answer
    x = 170,029.42

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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.