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Finding the Fourth Proportional to 253,751.74, 380,627.37 and 236,936.61

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Solution

The fourth proportional to 253,751.74, 380,627.37 and 236,936.61 is: 355,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,751.74 : 380,627.37 = 236,936.61 : x
  2. Step 2: Convert to fraction form
    253,751.74/380,627.37 = 236,936.61/x
  3. Step 3: Cross multiply
    253,751.74x = 380,627.37 × 236,936.61
  4. Step 4: Simplify right side
    253,751.74x = 90,184,558,721.02
  5. Step 5: Solve for x
    x = 90,184,558,721.02/253,751.74
  6. Step 6: Final answer
    x = 355,404.69

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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.