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Finding the Fourth Proportional to 417,676.26, 576,393.81 and 226,689.66

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Solution

The fourth proportional to 417,676.26, 576,393.81 and 226,689.66 is: 312,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,676.26 : 576,393.81 = 226,689.66 : x
  2. Step 2: Convert to fraction form
    417,676.26/576,393.81 = 226,689.66/x
  3. Step 3: Cross multiply
    417,676.26x = 576,393.81 × 226,689.66
  4. Step 4: Simplify right side
    417,676.26x = 130,662,516,815.01
  5. Step 5: Solve for x
    x = 130,662,516,815.01/417,676.26
  6. Step 6: Final answer
    x = 312,832.04

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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.