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Finding the Fourth Proportional to 439,604.37, 658,895.72 and 202,448.79

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Solution

The fourth proportional to 439,604.37, 658,895.72 and 202,448.79 is: 303,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,604.37 : 658,895.72 = 202,448.79 : x
  2. Step 2: Convert to fraction form
    439,604.37/658,895.72 = 202,448.79/x
  3. Step 3: Cross multiply
    439,604.37x = 658,895.72 × 202,448.79
  4. Step 4: Simplify right side
    439,604.37x = 133,392,640,237.94
  5. Step 5: Solve for x
    x = 133,392,640,237.94/439,604.37
  6. Step 6: Final answer
    x = 303,437.93

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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.