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Finding the Fourth Proportional to 547,450.14, 821,166.71 and 168,375.81

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Solution

The fourth proportional to 547,450.14, 821,166.71 and 168,375.81 is: 252,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,450.14 : 821,166.71 = 168,375.81 : x
  2. Step 2: Convert to fraction form
    547,450.14/821,166.71 = 168,375.81/x
  3. Step 3: Cross multiply
    547,450.14x = 821,166.71 × 168,375.81
  4. Step 4: Simplify right side
    547,450.14x = 138,264,609,099.41
  5. Step 5: Solve for x
    x = 138,264,609,099.41/547,450.14
  6. Step 6: Final answer
    x = 252,561.10

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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.