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Finding the Fourth Proportional to 407,593.42, 611,193.43 and 170,872.54

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Solution

The fourth proportional to 407,593.42, 611,193.43 and 170,872.54 is: 256,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,593.42 : 611,193.43 = 170,872.54 : x
  2. Step 2: Convert to fraction form
    407,593.42/611,193.43 = 170,872.54/x
  3. Step 3: Cross multiply
    407,593.42x = 611,193.43 × 170,872.54
  4. Step 4: Simplify right side
    407,593.42x = 104,436,173,815.41
  5. Step 5: Solve for x
    x = 104,436,173,815.41/407,593.42
  6. Step 6: Final answer
    x = 256,226.35

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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.