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Finding the Fourth Proportional to 545,564.39, 752,902.09 and 303,846.93

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Solution

The fourth proportional to 545,564.39, 752,902.09 and 303,846.93 is: 419,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,564.39 : 752,902.09 = 303,846.93 : x
  2. Step 2: Convert to fraction form
    545,564.39/752,902.09 = 303,846.93/x
  3. Step 3: Cross multiply
    545,564.39x = 752,902.09 × 303,846.93
  4. Step 4: Simplify right side
    545,564.39x = 228,766,991,053.77
  5. Step 5: Solve for x
    x = 228,766,991,053.77/545,564.39
  6. Step 6: Final answer
    x = 419,321.71

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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.