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Finding the Fourth Proportional to 253,424.97, 380,137.15 and 116,634.33

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Solution

The fourth proportional to 253,424.97, 380,137.15 and 116,634.33 is: 174,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,424.97 : 380,137.15 = 116,634.33 : x
  2. Step 2: Convert to fraction form
    253,424.97/380,137.15 = 116,634.33/x
  3. Step 3: Cross multiply
    253,424.97x = 380,137.15 × 116,634.33
  4. Step 4: Simplify right side
    253,424.97x = 44,337,041,944.15
  5. Step 5: Solve for x
    x = 44,337,041,944.15/253,424.97
  6. Step 6: Final answer
    x = 174,951.36

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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.