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Finding the Fourth Proportional to 254,951.19, 383,944.50 and 222,068.43

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Solution

The fourth proportional to 254,951.19, 383,944.50 and 222,068.43 is: 334,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,951.19 : 383,944.50 = 222,068.43 : x
  2. Step 2: Convert to fraction form
    254,951.19/383,944.50 = 222,068.43/x
  3. Step 3: Cross multiply
    254,951.19x = 383,944.50 × 222,068.43
  4. Step 4: Simplify right side
    254,951.19x = 85,261,952,322.14
  5. Step 5: Solve for x
    x = 85,261,952,322.14/254,951.19
  6. Step 6: Final answer
    x = 334,424.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.