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Finding the Fourth Proportional to 451,951.62, 623,692.71 and 248,003.70

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Solution

The fourth proportional to 451,951.62, 623,692.71 and 248,003.70 is: 342,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,951.62 : 623,692.71 = 248,003.70 : x
  2. Step 2: Convert to fraction form
    451,951.62/623,692.71 = 248,003.70/x
  3. Step 3: Cross multiply
    451,951.62x = 623,692.71 × 248,003.70
  4. Step 4: Simplify right side
    451,951.62x = 154,678,099,743.03
  5. Step 5: Solve for x
    x = 154,678,099,743.03/451,951.62
  6. Step 6: Final answer
    x = 342,244.82

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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.