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Finding the Fourth Proportional to 447,445.62, 671,146.56 and 166,941

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Solution

The fourth proportional to 447,445.62, 671,146.56 and 166,941 is: 250,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,445.62 : 671,146.56 = 166,941 : x
  2. Step 2: Convert to fraction form
    447,445.62/671,146.56 = 166,941/x
  3. Step 3: Cross multiply
    447,445.62x = 671,146.56 × 166,941
  4. Step 4: Simplify right side
    447,445.62x = 112,041,877,872.96
  5. Step 5: Solve for x
    x = 112,041,877,872.96/447,445.62
  6. Step 6: Final answer
    x = 250,403.34

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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.