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Finding the Fourth Proportional to 376,661, 565,145.22 and 199,120.52

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Solution

The fourth proportional to 376,661, 565,145.22 and 199,120.52 is: 298,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,661 : 565,145.22 = 199,120.52 : x
  2. Step 2: Convert to fraction form
    376,661/565,145.22 = 199,120.52/x
  3. Step 3: Cross multiply
    376,661x = 565,145.22 × 199,120.52
  4. Step 4: Simplify right side
    376,661x = 112,532,010,081.91
  5. Step 5: Solve for x
    x = 112,532,010,081.91/376,661
  6. Step 6: Final answer
    x = 298,762.04

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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.