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Finding the Fourth Proportional to 372,453, 558,789.66 and 214,794.60

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Solution

The fourth proportional to 372,453, 558,789.66 and 214,794.60 is: 322,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,453 : 558,789.66 = 214,794.60 : x
  2. Step 2: Convert to fraction form
    372,453/558,789.66 = 214,794.60/x
  3. Step 3: Cross multiply
    372,453x = 558,789.66 × 214,794.60
  4. Step 4: Simplify right side
    372,453x = 120,025,001,503.84
  5. Step 5: Solve for x
    x = 120,025,001,503.84/372,453
  6. Step 6: Final answer
    x = 322,255.43

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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.