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Finding the Fourth Proportional to 469,235.43, 647,796.14 and 367,043.76

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Solution

The fourth proportional to 469,235.43, 647,796.14 and 367,043.76 is: 506,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,235.43 : 647,796.14 = 367,043.76 : x
  2. Step 2: Convert to fraction form
    469,235.43/647,796.14 = 367,043.76/x
  3. Step 3: Cross multiply
    469,235.43x = 647,796.14 × 367,043.76
  4. Step 4: Simplify right side
    469,235.43x = 237,769,530,939.09
  5. Step 5: Solve for x
    x = 237,769,530,939.09/469,235.43
  6. Step 6: Final answer
    x = 506,716.92

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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.