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Finding the Fourth Proportional to 469,505.37, 647,932.08 and 265,552.31

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Solution

The fourth proportional to 469,505.37, 647,932.08 and 265,552.31 is: 366,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,505.37 : 647,932.08 = 265,552.31 : x
  2. Step 2: Convert to fraction form
    469,505.37/647,932.08 = 265,552.31/x
  3. Step 3: Cross multiply
    469,505.37x = 647,932.08 × 265,552.31
  4. Step 4: Simplify right side
    469,505.37x = 172,059,858,323.27
  5. Step 5: Solve for x
    x = 172,059,858,323.27/469,505.37
  6. Step 6: Final answer
    x = 366,470.48

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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.