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Finding the Fourth Proportional to 475,611.86, 656,326.94 and 260,747.22

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Solution

The fourth proportional to 475,611.86, 656,326.94 and 260,747.22 is: 359,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,611.86 : 656,326.94 = 260,747.22 : x
  2. Step 2: Convert to fraction form
    475,611.86/656,326.94 = 260,747.22/x
  3. Step 3: Cross multiply
    475,611.86x = 656,326.94 × 260,747.22
  4. Step 4: Simplify right side
    475,611.86x = 171,135,425,016.11
  5. Step 5: Solve for x
    x = 171,135,425,016.11/475,611.86
  6. Step 6: Final answer
    x = 359,821.61

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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.