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Finding the Fourth Proportional to 405,759.91, 559,772.62 and 244,523.33

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Solution

The fourth proportional to 405,759.91, 559,772.62 and 244,523.33 is: 337,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,759.91 : 559,772.62 = 244,523.33 : x
  2. Step 2: Convert to fraction form
    405,759.91/559,772.62 = 244,523.33/x
  3. Step 3: Cross multiply
    405,759.91x = 559,772.62 × 244,523.33
  4. Step 4: Simplify right side
    405,759.91x = 136,877,465,085.23
  5. Step 5: Solve for x
    x = 136,877,465,085.23/405,759.91
  6. Step 6: Final answer
    x = 337,336.10

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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.