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Finding the Fourth Proportional to 436,082.70, 654,145.65 and 226,130.70

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Solution

The fourth proportional to 436,082.70, 654,145.65 and 226,130.70 is: 339,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,082.70 : 654,145.65 = 226,130.70 : x
  2. Step 2: Convert to fraction form
    436,082.70/654,145.65 = 226,130.70/x
  3. Step 3: Cross multiply
    436,082.70x = 654,145.65 × 226,130.70
  4. Step 4: Simplify right side
    436,082.70x = 147,922,413,736.46
  5. Step 5: Solve for x
    x = 147,922,413,736.46/436,082.70
  6. Step 6: Final answer
    x = 339,207.25

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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.