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Finding the Fourth Proportional to 606,978.60, 910,365.63 and 222,648.18

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Solution

The fourth proportional to 606,978.60, 910,365.63 and 222,648.18 is: 333,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,978.60 : 910,365.63 = 222,648.18 : x
  2. Step 2: Convert to fraction form
    606,978.60/910,365.63 = 222,648.18/x
  3. Step 3: Cross multiply
    606,978.60x = 910,365.63 × 222,648.18
  4. Step 4: Simplify right side
    606,978.60x = 202,691,250,654.05
  5. Step 5: Solve for x
    x = 202,691,250,654.05/606,978.60
  6. Step 6: Final answer
    x = 333,934.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.