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Finding the Fourth Proportional to 800,223, 1,200,333.12 and 373,615.84

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Solution

The fourth proportional to 800,223, 1,200,333.12 and 373,615.84 is: 560,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,223 : 1,200,333.12 = 373,615.84 : x
  2. Step 2: Convert to fraction form
    800,223/1,200,333.12 = 373,615.84/x
  3. Step 3: Cross multiply
    800,223x = 1,200,333.12 × 373,615.84
  4. Step 4: Simplify right side
    800,223x = 448,463,466,908.62
  5. Step 5: Solve for x
    x = 448,463,466,908.62/800,223
  6. Step 6: Final answer
    x = 560,423.12

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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.