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Finding the Fourth Proportional to 323,380.50, 484,702.90 and 196,741.59

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Solution

The fourth proportional to 323,380.50, 484,702.90 and 196,741.59 is: 294,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,380.50 : 484,702.90 = 196,741.59 : x
  2. Step 2: Convert to fraction form
    323,380.50/484,702.90 = 196,741.59/x
  3. Step 3: Cross multiply
    323,380.50x = 484,702.90 × 196,741.59
  4. Step 4: Simplify right side
    323,380.50x = 95,361,221,287.17
  5. Step 5: Solve for x
    x = 95,361,221,287.17/323,380.50
  6. Step 6: Final answer
    x = 294,888.59

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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.