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Finding the Fourth Proportional to 457,194.60, 685,791.90 and 161,706.60

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Solution

The fourth proportional to 457,194.60, 685,791.90 and 161,706.60 is: 242,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,194.60 : 685,791.90 = 161,706.60 : x
  2. Step 2: Convert to fraction form
    457,194.60/685,791.90 = 161,706.60/x
  3. Step 3: Cross multiply
    457,194.60x = 685,791.90 × 161,706.60
  4. Step 4: Simplify right side
    457,194.60x = 110,897,076,456.54
  5. Step 5: Solve for x
    x = 110,897,076,456.54/457,194.60
  6. Step 6: Final answer
    x = 242,559.90

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Similar ratio
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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.