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Finding the Fourth Proportional to 1,323,983.80, 1,986,234.90 and 565,823.80

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Solution

The fourth proportional to 1,323,983.80, 1,986,234.90 and 565,823.80 is: 848,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,983.80 : 1,986,234.90 = 565,823.80 : x
  2. Step 2: Convert to fraction form
    1,323,983.80/1,986,234.90 = 565,823.80/x
  3. Step 3: Cross multiply
    1,323,983.80x = 1,986,234.90 × 565,823.80
  4. Step 4: Simplify right side
    1,323,983.80x = 1,123,858,978,810.62
  5. Step 5: Solve for x
    x = 1,123,858,978,810.62/1,323,983.80
  6. Step 6: Final answer
    x = 848,846.47

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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.