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Finding the Fourth Proportional to 358,061.31, 494,114.73 and 196,916.35

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Solution

The fourth proportional to 358,061.31, 494,114.73 and 196,916.35 is: 271,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,061.31 : 494,114.73 = 196,916.35 : x
  2. Step 2: Convert to fraction form
    358,061.31/494,114.73 = 196,916.35/x
  3. Step 3: Cross multiply
    358,061.31x = 494,114.73 × 196,916.35
  4. Step 4: Simplify right side
    358,061.31x = 97,299,269,112.84
  5. Step 5: Solve for x
    x = 97,299,269,112.84/358,061.31
  6. Step 6: Final answer
    x = 271,739.13

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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.