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Finding the Fourth Proportional to 221,544.36, 332,611.92 and 188,476.92

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Solution

The fourth proportional to 221,544.36, 332,611.92 and 188,476.92 is: 282,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,544.36 : 332,611.92 = 188,476.92 : x
  2. Step 2: Convert to fraction form
    221,544.36/332,611.92 = 188,476.92/x
  3. Step 3: Cross multiply
    221,544.36x = 332,611.92 × 188,476.92
  4. Step 4: Simplify right side
    221,544.36x = 62,689,670,236.89
  5. Step 5: Solve for x
    x = 62,689,670,236.89/221,544.36
  6. Step 6: Final answer
    x = 282,966.67

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1.5x scale

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.