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Finding the Fourth Proportional to 565,942.57, 780,743.11 and 336,369.41

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Solution

The fourth proportional to 565,942.57, 780,743.11 and 336,369.41 is: 464,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,942.57 : 780,743.11 = 336,369.41 : x
  2. Step 2: Convert to fraction form
    565,942.57/780,743.11 = 336,369.41/x
  3. Step 3: Cross multiply
    565,942.57x = 780,743.11 × 336,369.41
  4. Step 4: Simplify right side
    565,942.57x = 262,618,099,272.27
  5. Step 5: Solve for x
    x = 262,618,099,272.27/565,942.57
  6. Step 6: Final answer
    x = 464,036.66

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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.