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Finding the Fourth Proportional to 423,634.75, 584,469.78 and 270,762.43

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Solution

The fourth proportional to 423,634.75, 584,469.78 and 270,762.43 is: 373,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,634.75 : 584,469.78 = 270,762.43 : x
  2. Step 2: Convert to fraction form
    423,634.75/584,469.78 = 270,762.43/x
  3. Step 3: Cross multiply
    423,634.75x = 584,469.78 × 270,762.43
  4. Step 4: Simplify right side
    423,634.75x = 158,252,457,894.37
  5. Step 5: Solve for x
    x = 158,252,457,894.37/423,634.75
  6. Step 6: Final answer
    x = 373,558.73

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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.