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Finding the Fourth Proportional to 379,524.08, 569,092.64 and 126,713.77

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Solution

The fourth proportional to 379,524.08, 569,092.64 and 126,713.77 is: 190,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,524.08 : 569,092.64 = 126,713.77 : x
  2. Step 2: Convert to fraction form
    379,524.08/569,092.64 = 126,713.77/x
  3. Step 3: Cross multiply
    379,524.08x = 569,092.64 × 126,713.77
  4. Step 4: Simplify right side
    379,524.08x = 72,111,871,837.35
  5. Step 5: Solve for x
    x = 72,111,871,837.35/379,524.08
  6. Step 6: Final answer
    x = 190,006.05

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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.