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Finding the Fourth Proportional to 424,299.92, 585,388.16 and 263,096.96

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Solution

The fourth proportional to 424,299.92, 585,388.16 and 263,096.96 is: 362,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,299.92 : 585,388.16 = 263,096.96 : x
  2. Step 2: Convert to fraction form
    424,299.92/585,388.16 = 263,096.96/x
  3. Step 3: Cross multiply
    424,299.92x = 585,388.16 × 263,096.96
  4. Step 4: Simplify right side
    424,299.92x = 154,013,845,315.99
  5. Step 5: Solve for x
    x = 154,013,845,315.99/424,299.92
  6. Step 6: Final answer
    x = 362,983.44

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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.