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Finding the Fourth Proportional to 551,204.40, 826,806.60 and 543,831.60

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Solution

The fourth proportional to 551,204.40, 826,806.60 and 543,831.60 is: 815,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,204.40 : 826,806.60 = 543,831.60 : x
  2. Step 2: Convert to fraction form
    551,204.40/826,806.60 = 543,831.60/x
  3. Step 3: Cross multiply
    551,204.40x = 826,806.60 × 543,831.60
  4. Step 4: Simplify right side
    551,204.40x = 449,643,556,168.56
  5. Step 5: Solve for x
    x = 449,643,556,168.56/551,204.40
  6. Step 6: Final answer
    x = 815,747.40

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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.