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Finding the Fourth Proportional to 431,922.56, 596,015.84 and 278,967.52

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Solution

The fourth proportional to 431,922.56, 596,015.84 and 278,967.52 is: 384,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,922.56 : 596,015.84 = 278,967.52 : x
  2. Step 2: Convert to fraction form
    431,922.56/596,015.84 = 278,967.52/x
  3. Step 3: Cross multiply
    431,922.56x = 596,015.84 × 278,967.52
  4. Step 4: Simplify right side
    431,922.56x = 166,269,060,765.52
  5. Step 5: Solve for x
    x = 166,269,060,765.52/431,922.56
  6. Step 6: Final answer
    x = 384,951.09

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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.