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Finding the Fourth Proportional to 503,175.07, 755,112.53 and 325,240.75

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Solution

The fourth proportional to 503,175.07, 755,112.53 and 325,240.75 is: 488,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,175.07 : 755,112.53 = 325,240.75 : x
  2. Step 2: Convert to fraction form
    503,175.07/755,112.53 = 325,240.75/x
  3. Step 3: Cross multiply
    503,175.07x = 755,112.53 × 325,240.75
  4. Step 4: Simplify right side
    503,175.07x = 245,593,365,591.60
  5. Step 5: Solve for x
    x = 245,593,365,591.60/503,175.07
  6. Step 6: Final answer
    x = 488,087.31

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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.