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Finding the Fourth Proportional to 377,002.80, 520,181.25 and 224,091.81

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Solution

The fourth proportional to 377,002.80, 520,181.25 and 224,091.81 is: 309,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,002.80 : 520,181.25 = 224,091.81 : x
  2. Step 2: Convert to fraction form
    377,002.80/520,181.25 = 224,091.81/x
  3. Step 3: Cross multiply
    377,002.80x = 520,181.25 × 224,091.81
  4. Step 4: Simplify right side
    377,002.80x = 116,568,357,840.56
  5. Step 5: Solve for x
    x = 116,568,357,840.56/377,002.80
  6. Step 6: Final answer
    x = 309,197.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.