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Finding the Fourth Proportional to 424,884.09, 637,954.29 and 283,609.56

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Solution

The fourth proportional to 424,884.09, 637,954.29 and 283,609.56 is: 425,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,884.09 : 637,954.29 = 283,609.56 : x
  2. Step 2: Convert to fraction form
    424,884.09/637,954.29 = 283,609.56/x
  3. Step 3: Cross multiply
    424,884.09x = 637,954.29 × 283,609.56
  4. Step 4: Simplify right side
    424,884.09x = 180,929,935,487.01
  5. Step 5: Solve for x
    x = 180,929,935,487.01/424,884.09
  6. Step 6: Final answer
    x = 425,833.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.