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Finding the Fourth Proportional to 441,051.39, 661,398.99 and 171,037.35

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Solution

The fourth proportional to 441,051.39, 661,398.99 and 171,037.35 is: 256,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,051.39 : 661,398.99 = 171,037.35 : x
  2. Step 2: Convert to fraction form
    441,051.39/661,398.99 = 171,037.35/x
  3. Step 3: Cross multiply
    441,051.39x = 661,398.99 × 171,037.35
  4. Step 4: Simplify right side
    441,051.39x = 113,123,930,542.28
  5. Step 5: Solve for x
    x = 113,123,930,542.28/441,051.39
  6. Step 6: Final answer
    x = 256,486.96

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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.