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Finding the Fourth Proportional to 225,809.33, 338,940.80 and 200,673.41

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Solution

The fourth proportional to 225,809.33, 338,940.80 and 200,673.41 is: 301,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,809.33 : 338,940.80 = 200,673.41 : x
  2. Step 2: Convert to fraction form
    225,809.33/338,940.80 = 200,673.41/x
  3. Step 3: Cross multiply
    225,809.33x = 338,940.80 × 200,673.41
  4. Step 4: Simplify right side
    225,809.33x = 68,016,406,124.13
  5. Step 5: Solve for x
    x = 68,016,406,124.13/225,809.33
  6. Step 6: Final answer
    x = 301,211.67

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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.