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Finding the Fourth Proportional to 383,414.30, 529,113.83 and 222,364.83

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Solution

The fourth proportional to 383,414.30, 529,113.83 and 222,364.83 is: 306,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,414.30 : 529,113.83 = 222,364.83 : x
  2. Step 2: Convert to fraction form
    383,414.30/529,113.83 = 222,364.83/x
  3. Step 3: Cross multiply
    383,414.30x = 529,113.83 × 222,364.83
  4. Step 4: Simplify right side
    383,414.30x = 117,656,306,858.60
  5. Step 5: Solve for x
    x = 117,656,306,858.60/383,414.30
  6. Step 6: Final answer
    x = 306,864.68

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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.