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Finding the Fourth Proportional to 443,195.50, 611,611.42 and 241,991.50

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Solution

The fourth proportional to 443,195.50, 611,611.42 and 241,991.50 is: 333,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,195.50 : 611,611.42 = 241,991.50 : x
  2. Step 2: Convert to fraction form
    443,195.50/611,611.42 = 241,991.50/x
  3. Step 3: Cross multiply
    443,195.50x = 611,611.42 × 241,991.50
  4. Step 4: Simplify right side
    443,195.50x = 148,004,764,942.93
  5. Step 5: Solve for x
    x = 148,004,764,942.93/443,195.50
  6. Step 6: Final answer
    x = 333,949.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.