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Finding the Fourth Proportional to 416,977.32, 625,466 and 167,601

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Solution

The fourth proportional to 416,977.32, 625,466 and 167,601 is: 251,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,977.32 : 625,466 = 167,601 : x
  2. Step 2: Convert to fraction form
    416,977.32/625,466 = 167,601/x
  3. Step 3: Cross multiply
    416,977.32x = 625,466 × 167,601
  4. Step 4: Simplify right side
    416,977.32x = 104,828,727,066
  5. Step 5: Solve for x
    x = 104,828,727,066/416,977.32
  6. Step 6: Final answer
    x = 251,401.51

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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.