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Finding the Fourth Proportional to 352,600.41, 486,468.40 and 225,349.41

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Solution

The fourth proportional to 352,600.41, 486,468.40 and 225,349.41 is: 310,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,600.41 : 486,468.40 = 225,349.41 : x
  2. Step 2: Convert to fraction form
    352,600.41/486,468.40 = 225,349.41/x
  3. Step 3: Cross multiply
    352,600.41x = 486,468.40 × 225,349.41
  4. Step 4: Simplify right side
    352,600.41x = 109,625,366,923.64
  5. Step 5: Solve for x
    x = 109,625,366,923.64/352,600.41
  6. Step 6: Final answer
    x = 310,905.39

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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.