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Finding the Fourth Proportional to 510,441.84, 704,403.99 and 280,994.22

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Solution

The fourth proportional to 510,441.84, 704,403.99 and 280,994.22 is: 387,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,441.84 : 704,403.99 = 280,994.22 : x
  2. Step 2: Convert to fraction form
    510,441.84/704,403.99 = 280,994.22/x
  3. Step 3: Cross multiply
    510,441.84x = 704,403.99 × 280,994.22
  4. Step 4: Simplify right side
    510,441.84x = 197,933,449,734.94
  5. Step 5: Solve for x
    x = 197,933,449,734.94/510,441.84
  6. Step 6: Final answer
    x = 387,768.86

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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.