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Finding the Fourth Proportional to 441,042.63, 661,385.86 and 171,028.60

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Solution

The fourth proportional to 441,042.63, 661,385.86 and 171,028.60 is: 256,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,042.63 : 661,385.86 = 171,028.60 : x
  2. Step 2: Convert to fraction form
    441,042.63/661,385.86 = 171,028.60/x
  3. Step 3: Cross multiply
    441,042.63x = 661,385.86 × 171,028.60
  4. Step 4: Simplify right side
    441,042.63x = 113,115,897,695.60
  5. Step 5: Solve for x
    x = 113,115,897,695.60/441,042.63
  6. Step 6: Final answer
    x = 256,473.84

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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.