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Finding the Fourth Proportional to 265,516.92, 397,356.84 and 254,494.44

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Solution

The fourth proportional to 265,516.92, 397,356.84 and 254,494.44 is: 380,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,516.92 : 397,356.84 = 254,494.44 : x
  2. Step 2: Convert to fraction form
    265,516.92/397,356.84 = 254,494.44/x
  3. Step 3: Cross multiply
    265,516.92x = 397,356.84 × 254,494.44
  4. Step 4: Simplify right side
    265,516.92x = 101,125,106,475.97
  5. Step 5: Solve for x
    x = 101,125,106,475.97/265,516.92
  6. Step 6: Final answer
    x = 380,861.25

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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.