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Finding the Fourth Proportional to 477,172.62, 715,758.93 and 161,850.96

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Solution

The fourth proportional to 477,172.62, 715,758.93 and 161,850.96 is: 242,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,172.62 : 715,758.93 = 161,850.96 : x
  2. Step 2: Convert to fraction form
    477,172.62/715,758.93 = 161,850.96/x
  3. Step 3: Cross multiply
    477,172.62x = 715,758.93 × 161,850.96
  4. Step 4: Simplify right side
    477,172.62x = 115,846,269,949.07
  5. Step 5: Solve for x
    x = 115,846,269,949.07/477,172.62
  6. Step 6: Final answer
    x = 242,776.44

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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.