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Finding the Fourth Proportional to 443,172.96, 611,578.44 and 241,968.96

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Solution

The fourth proportional to 443,172.96, 611,578.44 and 241,968.96 is: 333,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,172.96 : 611,578.44 = 241,968.96 : x
  2. Step 2: Convert to fraction form
    443,172.96/611,578.44 = 241,968.96/x
  3. Step 3: Cross multiply
    443,172.96x = 611,578.44 × 241,968.96
  4. Step 4: Simplify right side
    443,172.96x = 147,982,999,085.22
  5. Step 5: Solve for x
    x = 147,982,999,085.22/443,172.96
  6. Step 6: Final answer
    x = 333,917.03

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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.