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Finding the Fourth Proportional to 469,506.44, 647,933.55 and 265,553.37

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Solution

The fourth proportional to 469,506.44, 647,933.55 and 265,553.37 is: 366,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,506.44 : 647,933.55 = 265,553.37 : x
  2. Step 2: Convert to fraction form
    469,506.44/647,933.55 = 265,553.37/x
  3. Step 3: Cross multiply
    469,506.44x = 647,933.55 × 265,553.37
  4. Step 4: Simplify right side
    469,506.44x = 172,060,937,738.56
  5. Step 5: Solve for x
    x = 172,060,937,738.56/469,506.44
  6. Step 6: Final answer
    x = 366,471.94

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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.