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Finding the Fourth Proportional to 505,470.44, 757,952.12 and 168,392.58

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Solution

The fourth proportional to 505,470.44, 757,952.12 and 168,392.58 is: 252,504.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,470.44 : 757,952.12 = 168,392.58 : x
  2. Step 2: Convert to fraction form
    505,470.44/757,952.12 = 168,392.58/x
  3. Step 3: Cross multiply
    505,470.44x = 757,952.12 × 168,392.58
  4. Step 4: Simplify right side
    505,470.44x = 127,633,513,003.27
  5. Step 5: Solve for x
    x = 127,633,513,003.27/505,470.44
  6. Step 6: Final answer
    x = 252,504.41

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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.