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Finding the Fourth Proportional to 374,942.16, 517,340.16 and 222,028.38

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Solution

The fourth proportional to 374,942.16, 517,340.16 and 222,028.38 is: 306,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,942.16 : 517,340.16 = 222,028.38 : x
  2. Step 2: Convert to fraction form
    374,942.16/517,340.16 = 222,028.38/x
  3. Step 3: Cross multiply
    374,942.16x = 517,340.16 × 222,028.38
  4. Step 4: Simplify right side
    374,942.16x = 114,864,197,633.74
  5. Step 5: Solve for x
    x = 114,864,197,633.74/374,942.16
  6. Step 6: Final answer
    x = 306,351.78

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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.