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Finding the Fourth Proportional to 417,622.88, 576,319.92 and 226,636.27

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Solution

The fourth proportional to 417,622.88, 576,319.92 and 226,636.27 is: 312,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,622.88 : 576,319.92 = 226,636.27 : x
  2. Step 2: Convert to fraction form
    417,622.88/576,319.92 = 226,636.27/x
  3. Step 3: Cross multiply
    417,622.88x = 576,319.92 × 226,636.27
  4. Step 4: Simplify right side
    417,622.88x = 130,614,996,995.50
  5. Step 5: Solve for x
    x = 130,614,996,995.50/417,622.88
  6. Step 6: Final answer
    x = 312,758.24

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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.