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Finding the Fourth Proportional to 344,840.50, 475,808.54 and 201,572.82

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Solution

The fourth proportional to 344,840.50, 475,808.54 and 201,572.82 is: 278,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,840.50 : 475,808.54 = 201,572.82 : x
  2. Step 2: Convert to fraction form
    344,840.50/475,808.54 = 201,572.82/x
  3. Step 3: Cross multiply
    344,840.50x = 475,808.54 × 201,572.82
  4. Step 4: Simplify right side
    344,840.50x = 95,910,069,187.88
  5. Step 5: Solve for x
    x = 95,910,069,187.88/344,840.50
  6. Step 6: Final answer
    x = 278,128.78

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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.