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Finding the Fourth Proportional to 603,915.70, 905,297.55 and 224,734.90

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Solution

The fourth proportional to 603,915.70, 905,297.55 and 224,734.90 is: 336,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,915.70 : 905,297.55 = 224,734.90 : x
  2. Step 2: Convert to fraction form
    603,915.70/905,297.55 = 224,734.90/x
  3. Step 3: Cross multiply
    603,915.70x = 905,297.55 × 224,734.90
  4. Step 4: Simplify right side
    603,915.70x = 203,451,954,369.50
  5. Step 5: Solve for x
    x = 203,451,954,369.50/603,915.70
  6. Step 6: Final answer
    x = 336,888.00

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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.