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Finding the Fourth Proportional to 363,640.32, 544,454.46 and 185,764.32

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Solution

The fourth proportional to 363,640.32, 544,454.46 and 185,764.32 is: 278,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,640.32 : 544,454.46 = 185,764.32 : x
  2. Step 2: Convert to fraction form
    363,640.32/544,454.46 = 185,764.32/x
  3. Step 3: Cross multiply
    363,640.32x = 544,454.46 × 185,764.32
  4. Step 4: Simplify right side
    363,640.32x = 101,140,212,532.87
  5. Step 5: Solve for x
    x = 101,140,212,532.87/363,640.32
  6. Step 6: Final answer
    x = 278,132.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.