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Finding the Fourth Proportional to 417,596.43, 576,284.64 and 226,609.86

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Solution

The fourth proportional to 417,596.43, 576,284.64 and 226,609.86 is: 312,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,596.43 : 576,284.64 = 226,609.86 : x
  2. Step 2: Convert to fraction form
    417,596.43/576,284.64 = 226,609.86/x
  3. Step 3: Cross multiply
    417,596.43x = 576,284.64 × 226,609.86
  4. Step 4: Simplify right side
    417,596.43x = 130,591,781,590.55
  5. Step 5: Solve for x
    x = 130,591,781,590.55/417,596.43
  6. Step 6: Final answer
    x = 312,722.46

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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.