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Finding the Fourth Proportional to 408,049.53, 571,859.83 and 408,049.53

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Solution

The fourth proportional to 408,049.53, 571,859.83 and 408,049.53 is: 571,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,049.53 : 571,859.83 = 408,049.53 : x
  2. Step 2: Convert to fraction form
    408,049.53/571,859.83 = 408,049.53/x
  3. Step 3: Cross multiply
    408,049.53x = 571,859.83 × 408,049.53
  4. Step 4: Simplify right side
    408,049.53x = 233,347,134,857.38
  5. Step 5: Solve for x
    x = 233,347,134,857.38/408,049.53
  6. Step 6: Final answer
    x = 571,859.83

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.