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Finding the Fourth Proportional to 435,906.21, 653,938.37 and 179,596.45

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Solution

The fourth proportional to 435,906.21, 653,938.37 and 179,596.45 is: 269,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,906.21 : 653,938.37 = 179,596.45 : x
  2. Step 2: Convert to fraction form
    435,906.21/653,938.37 = 179,596.45/x
  3. Step 3: Cross multiply
    435,906.21x = 653,938.37 × 179,596.45
  4. Step 4: Simplify right side
    435,906.21x = 117,445,009,770.79
  5. Step 5: Solve for x
    x = 117,445,009,770.79/435,906.21
  6. Step 6: Final answer
    x = 269,427.25

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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.