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Finding the Fourth Proportional to 469,505.62, 647,932.43 and 265,552.55

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Solution

The fourth proportional to 469,505.62, 647,932.43 and 265,552.55 is: 366,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,505.62 : 647,932.43 = 265,552.55 : x
  2. Step 2: Convert to fraction form
    469,505.62/647,932.43 = 265,552.55/x
  3. Step 3: Cross multiply
    469,505.62x = 647,932.43 × 265,552.55
  4. Step 4: Simplify right side
    469,505.62x = 172,060,109,014.20
  5. Step 5: Solve for x
    x = 172,060,109,014.20/469,505.62
  6. Step 6: Final answer
    x = 366,470.82

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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.