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Finding the Fourth Proportional to 558,626.63, 770,898.26 and 303,973.43

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Solution

The fourth proportional to 558,626.63, 770,898.26 and 303,973.43 is: 419,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,626.63 : 770,898.26 = 303,973.43 : x
  2. Step 2: Convert to fraction form
    558,626.63/770,898.26 = 303,973.43/x
  3. Step 3: Cross multiply
    558,626.63x = 770,898.26 × 303,973.43
  4. Step 4: Simplify right side
    558,626.63x = 234,332,585,178.67
  5. Step 5: Solve for x
    x = 234,332,585,178.67/558,626.63
  6. Step 6: Final answer
    x = 419,479.80

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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.