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Finding the Fourth Proportional to 468,740.44, 646,822.83 and 275,127.22

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Solution

The fourth proportional to 468,740.44, 646,822.83 and 275,127.22 is: 379,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,740.44 : 646,822.83 = 275,127.22 : x
  2. Step 2: Convert to fraction form
    468,740.44/646,822.83 = 275,127.22/x
  3. Step 3: Cross multiply
    468,740.44x = 646,822.83 × 275,127.22
  4. Step 4: Simplify right side
    468,740.44x = 177,958,567,050.43
  5. Step 5: Solve for x
    x = 177,958,567,050.43/468,740.44
  6. Step 6: Final answer
    x = 379,652.69

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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.