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Finding the Fourth Proportional to 481,353.72, 722,047.32 and 228,503.95

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Solution

The fourth proportional to 481,353.72, 722,047.32 and 228,503.95 is: 342,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,353.72 : 722,047.32 = 228,503.95 : x
  2. Step 2: Convert to fraction form
    481,353.72/722,047.32 = 228,503.95/x
  3. Step 3: Cross multiply
    481,353.72x = 722,047.32 × 228,503.95
  4. Step 4: Simplify right side
    481,353.72x = 164,990,664,706.91
  5. Step 5: Solve for x
    x = 164,990,664,706.91/481,353.72
  6. Step 6: Final answer
    x = 342,763.87

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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.