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Finding the Fourth Proportional to 603,846.81, 833,291.69 and 331,915.23

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Solution

The fourth proportional to 603,846.81, 833,291.69 and 331,915.23 is: 458,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,846.81 : 833,291.69 = 331,915.23 : x
  2. Step 2: Convert to fraction form
    603,846.81/833,291.69 = 331,915.23/x
  3. Step 3: Cross multiply
    603,846.81x = 833,291.69 × 331,915.23
  4. Step 4: Simplify right side
    603,846.81x = 276,582,201,283.86
  5. Step 5: Solve for x
    x = 276,582,201,283.86/603,846.81
  6. Step 6: Final answer
    x = 458,033.72

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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.