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Finding the Fourth Proportional to 433,770.73, 647,703.49 and 382,744.51

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Solution

The fourth proportional to 433,770.73, 647,703.49 and 382,744.51 is: 571,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,770.73 : 647,703.49 = 382,744.51 : x
  2. Step 2: Convert to fraction form
    433,770.73/647,703.49 = 382,744.51/x
  3. Step 3: Cross multiply
    433,770.73x = 647,703.49 × 382,744.51
  4. Step 4: Simplify right side
    433,770.73x = 247,904,954,905.34
  5. Step 5: Solve for x
    x = 247,904,954,905.34/433,770.73
  6. Step 6: Final answer
    x = 571,511.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.