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Finding the Fourth Proportional to 547,006.49, 820,091.43 and 451,937.60

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Solution

The fourth proportional to 547,006.49, 820,091.43 and 451,937.60 is: 677,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,006.49 : 820,091.43 = 451,937.60 : x
  2. Step 2: Convert to fraction form
    547,006.49/820,091.43 = 451,937.60/x
  3. Step 3: Cross multiply
    547,006.49x = 820,091.43 × 451,937.60
  4. Step 4: Simplify right side
    547,006.49x = 370,630,152,654.77
  5. Step 5: Solve for x
    x = 370,630,152,654.77/547,006.49
  6. Step 6: Final answer
    x = 677,560.80

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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.