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Finding the Fourth Proportional to 484,493.96, 668,595.14 and 269,633.97

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Solution

The fourth proportional to 484,493.96, 668,595.14 and 269,633.97 is: 372,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,493.96 : 668,595.14 = 269,633.97 : x
  2. Step 2: Convert to fraction form
    484,493.96/668,595.14 = 269,633.97/x
  3. Step 3: Cross multiply
    484,493.96x = 668,595.14 × 269,633.97
  4. Step 4: Simplify right side
    484,493.96x = 180,275,957,229.76
  5. Step 5: Solve for x
    x = 180,275,957,229.76/484,493.96
  6. Step 6: Final answer
    x = 372,091.24

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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.