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Finding the Fourth Proportional to 457,759.69, 631,773.75 and 253,855.96

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Solution

The fourth proportional to 457,759.69, 631,773.75 and 253,855.96 is: 350,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,759.69 : 631,773.75 = 253,855.96 : x
  2. Step 2: Convert to fraction form
    457,759.69/631,773.75 = 253,855.96/x
  3. Step 3: Cross multiply
    457,759.69x = 631,773.75 × 253,855.96
  4. Step 4: Simplify right side
    457,759.69x = 160,379,530,539.77
  5. Step 5: Solve for x
    x = 160,379,530,539.77/457,759.69
  6. Step 6: Final answer
    x = 350,357.48

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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.