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Finding the Fourth Proportional to 448,142.22, 618,428.30 and 244,194.57

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Solution

The fourth proportional to 448,142.22, 618,428.30 and 244,194.57 is: 336,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,142.22 : 618,428.30 = 244,194.57 : x
  2. Step 2: Convert to fraction form
    448,142.22/618,428.30 = 244,194.57/x
  3. Step 3: Cross multiply
    448,142.22x = 618,428.30 × 244,194.57
  4. Step 4: Simplify right side
    448,142.22x = 151,016,831,573.36
  5. Step 5: Solve for x
    x = 151,016,831,573.36/448,142.22
  6. Step 6: Final answer
    x = 336,984.16

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