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Finding the Fourth Proportional to 344,010.80, 515,578.80 and 166,134.80

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Solution

The fourth proportional to 344,010.80, 515,578.80 and 166,134.80 is: 248,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,010.80 : 515,578.80 = 166,134.80 : x
  2. Step 2: Convert to fraction form
    344,010.80/515,578.80 = 166,134.80/x
  3. Step 3: Cross multiply
    344,010.80x = 515,578.80 × 166,134.80
  4. Step 4: Simplify right side
    344,010.80x = 85,655,580,822.24
  5. Step 5: Solve for x
    x = 85,655,580,822.24/344,010.80
  6. Step 6: Final answer
    x = 248,990.96

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1.5x scale

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.