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Finding the Fourth Proportional to 303,758.48, 453,743.92 and 225,026.48

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Solution

The fourth proportional to 303,758.48, 453,743.92 and 225,026.48 is: 336,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,758.48 : 453,743.92 = 225,026.48 : x
  2. Step 2: Convert to fraction form
    303,758.48/453,743.92 = 225,026.48/x
  3. Step 3: Cross multiply
    303,758.48x = 453,743.92 × 225,026.48
  4. Step 4: Simplify right side
    303,758.48x = 102,104,397,139.00
  5. Step 5: Solve for x
    x = 102,104,397,139.00/303,758.48
  6. Step 6: Final answer
    x = 336,136.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.