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Finding the Fourth Proportional to 405,611.71, 559,814.39 and 244,466.94

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Solution

The fourth proportional to 405,611.71, 559,814.39 and 244,466.94 is: 337,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,611.71 : 559,814.39 = 244,466.94 : x
  2. Step 2: Convert to fraction form
    405,611.71/559,814.39 = 244,466.94/x
  3. Step 3: Cross multiply
    405,611.71x = 559,814.39 × 244,466.94
  4. Step 4: Simplify right side
    405,611.71x = 136,856,111,502.43
  5. Step 5: Solve for x
    x = 136,856,111,502.43/405,611.71
  6. Step 6: Final answer
    x = 337,406.71

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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.