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Finding the Fourth Proportional to 424,614.89, 585,982.62 and 243,361.60

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Solution

The fourth proportional to 424,614.89, 585,982.62 and 243,361.60 is: 335,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,614.89 : 585,982.62 = 243,361.60 : x
  2. Step 2: Convert to fraction form
    424,614.89/585,982.62 = 243,361.60/x
  3. Step 3: Cross multiply
    424,614.89x = 585,982.62 × 243,361.60
  4. Step 4: Simplify right side
    424,614.89x = 142,605,666,510.44
  5. Step 5: Solve for x
    x = 142,605,666,510.44/424,614.89
  6. Step 6: Final answer
    x = 335,847.07

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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.