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Finding the Fourth Proportional to 447,101.58, 670,652.37 and 131,558.60

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Solution

The fourth proportional to 447,101.58, 670,652.37 and 131,558.60 is: 197,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,101.58 : 670,652.37 = 131,558.60 : x
  2. Step 2: Convert to fraction form
    447,101.58/670,652.37 = 131,558.60/x
  3. Step 3: Cross multiply
    447,101.58x = 670,652.37 × 131,558.60
  4. Step 4: Simplify right side
    447,101.58x = 88,230,083,530.62
  5. Step 5: Solve for x
    x = 88,230,083,530.62/447,101.58
  6. Step 6: Final answer
    x = 197,337.89

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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.