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Finding the Fourth Proportional to 221,323.94, 332,053.95 and 197,801.54

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Solution

The fourth proportional to 221,323.94, 332,053.95 and 197,801.54 is: 296,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,323.94 : 332,053.95 = 197,801.54 : x
  2. Step 2: Convert to fraction form
    221,323.94/332,053.95 = 197,801.54/x
  3. Step 3: Cross multiply
    221,323.94x = 332,053.95 × 197,801.54
  4. Step 4: Simplify right side
    221,323.94x = 65,680,782,673.08
  5. Step 5: Solve for x
    x = 65,680,782,673.08/221,323.94
  6. Step 6: Final answer
    x = 296,763.12

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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.