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Finding the Fourth Proportional to 344,221.52, 475,021.46 and 193,318.52

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Solution

The fourth proportional to 344,221.52, 475,021.46 and 193,318.52 is: 266,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,221.52 : 475,021.46 = 193,318.52 : x
  2. Step 2: Convert to fraction form
    344,221.52/475,021.46 = 193,318.52/x
  3. Step 3: Cross multiply
    344,221.52x = 475,021.46 × 193,318.52
  4. Step 4: Simplify right side
    344,221.52x = 91,830,443,723.63
  5. Step 5: Solve for x
    x = 91,830,443,723.63/344,221.52
  6. Step 6: Final answer
    x = 266,777.18

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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.