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Finding the Fourth Proportional to 379,333.92, 569,029.92 and 113,074.08

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Solution

The fourth proportional to 379,333.92, 569,029.92 and 113,074.08 is: 169,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,333.92 : 569,029.92 = 113,074.08 : x
  2. Step 2: Convert to fraction form
    379,333.92/569,029.92 = 113,074.08/x
  3. Step 3: Cross multiply
    379,333.92x = 569,029.92 × 113,074.08
  4. Step 4: Simplify right side
    379,333.92x = 64,342,534,696.47
  5. Step 5: Solve for x
    x = 64,342,534,696.47/379,333.92
  6. Step 6: Final answer
    x = 169,619.78

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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.