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Finding the Fourth Proportional to 275,660.77, 380,453.01 and 168,293.05

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Solution

The fourth proportional to 275,660.77, 380,453.01 and 168,293.05 is: 232,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,660.77 : 380,453.01 = 168,293.05 : x
  2. Step 2: Convert to fraction form
    275,660.77/380,453.01 = 168,293.05/x
  3. Step 3: Cross multiply
    275,660.77x = 380,453.01 × 168,293.05
  4. Step 4: Simplify right side
    275,660.77x = 64,027,597,434.58
  5. Step 5: Solve for x
    x = 64,027,597,434.58/275,660.77
  6. Step 6: Final answer
    x = 232,269.53

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1.5x scale

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.