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Finding the Fourth Proportional to 319,327.98, 440,624.52 and 183,367.86

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Solution

The fourth proportional to 319,327.98, 440,624.52 and 183,367.86 is: 253,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,327.98 : 440,624.52 = 183,367.86 : x
  2. Step 2: Convert to fraction form
    319,327.98/440,624.52 = 183,367.86/x
  3. Step 3: Cross multiply
    319,327.98x = 440,624.52 × 183,367.86
  4. Step 4: Simplify right side
    319,327.98x = 80,796,375,295.93
  5. Step 5: Solve for x
    x = 80,796,375,295.93/319,327.98
  6. Step 6: Final answer
    x = 253,020.03

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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.