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Finding the Fourth Proportional to 367,484.24, 550,915.32 and 145,747.28

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Solution

The fourth proportional to 367,484.24, 550,915.32 and 145,747.28 is: 218,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,484.24 : 550,915.32 = 145,747.28 : x
  2. Step 2: Convert to fraction form
    367,484.24/550,915.32 = 145,747.28/x
  3. Step 3: Cross multiply
    367,484.24x = 550,915.32 × 145,747.28
  4. Step 4: Simplify right side
    367,484.24x = 80,294,409,400.33
  5. Step 5: Solve for x
    x = 80,294,409,400.33/367,484.24
  6. Step 6: Final answer
    x = 218,497.56

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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.