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Finding the Fourth Proportional to 467,258.69, 644,817.26 and 252,398.74

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Solution

The fourth proportional to 467,258.69, 644,817.26 and 252,398.74 is: 348,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,258.69 : 644,817.26 = 252,398.74 : x
  2. Step 2: Convert to fraction form
    467,258.69/644,817.26 = 252,398.74/x
  3. Step 3: Cross multiply
    467,258.69x = 644,817.26 × 252,398.74
  4. Step 4: Simplify right side
    467,258.69x = 162,751,063,954.25
  5. Step 5: Solve for x
    x = 162,751,063,954.25/467,258.69
  6. Step 6: Final answer
    x = 348,310.41

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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.