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Finding the Fourth Proportional to 358,392.16, 494,580.72 and 222,375.52

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Solution

The fourth proportional to 358,392.16, 494,580.72 and 222,375.52 is: 306,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,392.16 : 494,580.72 = 222,375.52 : x
  2. Step 2: Convert to fraction form
    358,392.16/494,580.72 = 222,375.52/x
  3. Step 3: Cross multiply
    358,392.16x = 494,580.72 × 222,375.52
  4. Step 4: Simplify right side
    358,392.16x = 109,982,644,791.97
  5. Step 5: Solve for x
    x = 109,982,644,791.97/358,392.16
  6. Step 6: Final answer
    x = 306,877.93

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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.