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Finding the Fourth Proportional to 363,906.66, 502,235.61 and 220,666.26

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Solution

The fourth proportional to 363,906.66, 502,235.61 and 220,666.26 is: 304,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,906.66 : 502,235.61 = 220,666.26 : x
  2. Step 2: Convert to fraction form
    363,906.66/502,235.61 = 220,666.26/x
  3. Step 3: Cross multiply
    363,906.66x = 502,235.61 × 220,666.26
  4. Step 4: Simplify right side
    363,906.66x = 110,826,453,697.52
  5. Step 5: Solve for x
    x = 110,826,453,697.52/363,906.66
  6. Step 6: Final answer
    x = 304,546.37

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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.