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Finding the Fourth Proportional to 247,466.70, 371,200.05 and 205,994.70

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Solution

The fourth proportional to 247,466.70, 371,200.05 and 205,994.70 is: 308,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,466.70 : 371,200.05 = 205,994.70 : x
  2. Step 2: Convert to fraction form
    247,466.70/371,200.05 = 205,994.70/x
  3. Step 3: Cross multiply
    247,466.70x = 371,200.05 × 205,994.70
  4. Step 4: Simplify right side
    247,466.70x = 76,465,242,939.74
  5. Step 5: Solve for x
    x = 76,465,242,939.74/247,466.70
  6. Step 6: Final answer
    x = 308,992.05

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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.