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Finding the Fourth Proportional to 441,091.80, 661,637.70 and 301,123.80

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Solution

The fourth proportional to 441,091.80, 661,637.70 and 301,123.80 is: 451,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,091.80 : 661,637.70 = 301,123.80 : x
  2. Step 2: Convert to fraction form
    441,091.80/661,637.70 = 301,123.80/x
  3. Step 3: Cross multiply
    441,091.80x = 661,637.70 × 301,123.80
  4. Step 4: Simplify right side
    441,091.80x = 199,234,858,447.26
  5. Step 5: Solve for x
    x = 199,234,858,447.26/441,091.80
  6. Step 6: Final answer
    x = 451,685.70

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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.