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Finding the Fourth Proportional to 361,994.85, 499,625.58 and 209,057.94

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Solution

The fourth proportional to 361,994.85, 499,625.58 and 209,057.94 is: 288,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,994.85 : 499,625.58 = 209,057.94 : x
  2. Step 2: Convert to fraction form
    361,994.85/499,625.58 = 209,057.94/x
  3. Step 3: Cross multiply
    361,994.85x = 499,625.58 × 209,057.94
  4. Step 4: Simplify right side
    361,994.85x = 104,450,694,526.11
  5. Step 5: Solve for x
    x = 104,450,694,526.11/361,994.85
  6. Step 6: Final answer
    x = 288,541.94

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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.