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Finding the Fourth Proportional to 447,337.60, 671,092.80 and 131,804.80

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Solution

The fourth proportional to 447,337.60, 671,092.80 and 131,804.80 is: 197,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,337.60 : 671,092.80 = 131,804.80 : x
  2. Step 2: Convert to fraction form
    447,337.60/671,092.80 = 131,804.80/x
  3. Step 3: Cross multiply
    447,337.60x = 671,092.80 × 131,804.80
  4. Step 4: Simplify right side
    447,337.60x = 88,453,252,285.44
  5. Step 5: Solve for x
    x = 88,453,252,285.44/447,337.60
  6. Step 6: Final answer
    x = 197,732.66

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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.