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Finding the Fourth Proportional to 551,204.20, 826,806.30 and 362,247.40

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Solution

The fourth proportional to 551,204.20, 826,806.30 and 362,247.40 is: 543,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,204.20 : 826,806.30 = 362,247.40 : x
  2. Step 2: Convert to fraction form
    551,204.20/826,806.30 = 362,247.40/x
  3. Step 3: Cross multiply
    551,204.20x = 826,806.30 × 362,247.40
  4. Step 4: Simplify right side
    551,204.20x = 299,508,432,478.62
  5. Step 5: Solve for x
    x = 299,508,432,478.62/551,204.20
  6. Step 6: Final answer
    x = 543,371.10

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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.