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Finding the Fourth Proportional to 275,195.76, 379,878.30 and 184,518.69

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Solution

The fourth proportional to 275,195.76, 379,878.30 and 184,518.69 is: 254,708.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,195.76 : 379,878.30 = 184,518.69 : x
  2. Step 2: Convert to fraction form
    275,195.76/379,878.30 = 184,518.69/x
  3. Step 3: Cross multiply
    275,195.76x = 379,878.30 × 184,518.69
  4. Step 4: Simplify right side
    275,195.76x = 70,094,646,275.43
  5. Step 5: Solve for x
    x = 70,094,646,275.43/275,195.76
  6. Step 6: Final answer
    x = 254,708.31

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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.