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Finding the Fourth Proportional to 421,294.43, 632,101.23 and 252,932.33

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Solution

The fourth proportional to 421,294.43, 632,101.23 and 252,932.33 is: 379,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,294.43 : 632,101.23 = 252,932.33 : x
  2. Step 2: Convert to fraction form
    421,294.43/632,101.23 = 252,932.33/x
  3. Step 3: Cross multiply
    421,294.43x = 632,101.23 × 252,932.33
  4. Step 4: Simplify right side
    421,294.43x = 159,878,836,899.77
  5. Step 5: Solve for x
    x = 159,878,836,899.77/421,294.43
  6. Step 6: Final answer
    x = 379,494.30

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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.