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Finding the Fourth Proportional to 447,404.23, 671,211.44 and 147,884.82

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Solution

The fourth proportional to 447,404.23, 671,211.44 and 147,884.82 is: 221,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,404.23 : 671,211.44 = 147,884.82 : x
  2. Step 2: Convert to fraction form
    447,404.23/671,211.44 = 147,884.82/x
  3. Step 3: Cross multiply
    447,404.23x = 671,211.44 × 147,884.82
  4. Step 4: Simplify right side
    447,404.23x = 99,261,983,356.05
  5. Step 5: Solve for x
    x = 99,261,983,356.05/447,404.23
  6. Step 6: Final answer
    x = 221,861.97

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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.