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Finding the Fourth Proportional to 303,577.44, 455,646 and 153,922.56

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Solution

The fourth proportional to 303,577.44, 455,646 and 153,922.56 is: 231,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,577.44 : 455,646 = 153,922.56 : x
  2. Step 2: Convert to fraction form
    303,577.44/455,646 = 153,922.56/x
  3. Step 3: Cross multiply
    303,577.44x = 455,646 × 153,922.56
  4. Step 4: Simplify right side
    303,577.44x = 70,134,198,773.76
  5. Step 5: Solve for x
    x = 70,134,198,773.76/303,577.44
  6. Step 6: Final answer
    x = 231,025.73

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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.