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Finding the Fourth Proportional to 378,944.64, 566,973 and 336,954.24

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Solution

The fourth proportional to 378,944.64, 566,973 and 336,954.24 is: 504,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,944.64 : 566,973 = 336,954.24 : x
  2. Step 2: Convert to fraction form
    378,944.64/566,973 = 336,954.24/x
  3. Step 3: Cross multiply
    378,944.64x = 566,973 × 336,954.24
  4. Step 4: Simplify right side
    378,944.64x = 191,043,956,315.52
  5. Step 5: Solve for x
    x = 191,043,956,315.52/378,944.64
  6. Step 6: Final answer
    x = 504,147.40

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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.