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Finding the Fourth Proportional to 567,163.44, 782,740.71 and 423,674.37

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Solution

The fourth proportional to 567,163.44, 782,740.71 and 423,674.37 is: 584,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,163.44 : 782,740.71 = 423,674.37 : x
  2. Step 2: Convert to fraction form
    567,163.44/782,740.71 = 423,674.37/x
  3. Step 3: Cross multiply
    567,163.44x = 782,740.71 × 423,674.37
  4. Step 4: Simplify right side
    567,163.44x = 331,627,177,182.60
  5. Step 5: Solve for x
    x = 331,627,177,182.60/567,163.44
  6. Step 6: Final answer
    x = 584,711.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.