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Finding the Fourth Proportional to 503,108.22, 754,357.54 and 225,771.39

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Solution

The fourth proportional to 503,108.22, 754,357.54 and 225,771.39 is: 338,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,108.22 : 754,357.54 = 225,771.39 : x
  2. Step 2: Convert to fraction form
    503,108.22/754,357.54 = 225,771.39/x
  3. Step 3: Cross multiply
    503,108.22x = 754,357.54 × 225,771.39
  4. Step 4: Simplify right side
    503,108.22x = 170,312,350,362.78
  5. Step 5: Solve for x
    x = 170,312,350,362.78/503,108.22
  6. Step 6: Final answer
    x = 338,520.31

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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.