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Finding the Fourth Proportional to 444,111.20, 666,231.60 and 207,461.60

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Solution

The fourth proportional to 444,111.20, 666,231.60 and 207,461.60 is: 311,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,111.20 : 666,231.60 = 207,461.60 : x
  2. Step 2: Convert to fraction form
    444,111.20/666,231.60 = 207,461.60/x
  3. Step 3: Cross multiply
    444,111.20x = 666,231.60 × 207,461.60
  4. Step 4: Simplify right side
    444,111.20x = 138,217,473,706.56
  5. Step 5: Solve for x
    x = 138,217,473,706.56/444,111.20
  6. Step 6: Final answer
    x = 311,222.67

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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.