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Finding the Fourth Proportional to 417,754.63, 576,500.89 and 226,768.03

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Solution

The fourth proportional to 417,754.63, 576,500.89 and 226,768.03 is: 312,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,754.63 : 576,500.89 = 226,768.03 : x
  2. Step 2: Convert to fraction form
    417,754.63/576,500.89 = 226,768.03/x
  3. Step 3: Cross multiply
    417,754.63x = 576,500.89 × 226,768.03
  4. Step 4: Simplify right side
    417,754.63x = 130,731,971,118.55
  5. Step 5: Solve for x
    x = 130,731,971,118.55/417,754.63
  6. Step 6: Final answer
    x = 312,939.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.