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Finding the Fourth Proportional to 323,381.99, 484,705.15 and 196,743.11

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Solution

The fourth proportional to 323,381.99, 484,705.15 and 196,743.11 is: 294,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,381.99 : 484,705.15 = 196,743.11 : x
  2. Step 2: Convert to fraction form
    323,381.99/484,705.15 = 196,743.11/x
  3. Step 3: Cross multiply
    323,381.99x = 484,705.15 × 196,743.11
  4. Step 4: Simplify right side
    323,381.99x = 95,362,395,728.63
  5. Step 5: Solve for x
    x = 95,362,395,728.63/323,381.99
  6. Step 6: Final answer
    x = 294,890.87

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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.