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Finding the Fourth Proportional to 504,760.25, 756,976.60 and 167,710.40

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Solution

The fourth proportional to 504,760.25, 756,976.60 and 167,710.40 is: 251,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,760.25 : 756,976.60 = 167,710.40 : x
  2. Step 2: Convert to fraction form
    504,760.25/756,976.60 = 167,710.40/x
  3. Step 3: Cross multiply
    504,760.25x = 756,976.60 × 167,710.40
  4. Step 4: Simplify right side
    504,760.25x = 126,952,848,376.64
  5. Step 5: Solve for x
    x = 126,952,848,376.64/504,760.25
  6. Step 6: Final answer
    x = 251,511.18

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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.