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Finding the Fourth Proportional to 365,781.11, 504,856.94 and 222,587.28

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Solution

The fourth proportional to 365,781.11, 504,856.94 and 222,587.28 is: 307,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,781.11 : 504,856.94 = 222,587.28 : x
  2. Step 2: Convert to fraction form
    365,781.11/504,856.94 = 222,587.28/x
  3. Step 3: Cross multiply
    365,781.11x = 504,856.94 × 222,587.28
  4. Step 4: Simplify right side
    365,781.11x = 112,374,731,950.79
  5. Step 5: Solve for x
    x = 112,374,731,950.79/365,781.11
  6. Step 6: Final answer
    x = 307,218.53

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1.5x scale

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.