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Finding the Fourth Proportional to 567,636.46, 783,310.20 and 322,589.39

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Solution

The fourth proportional to 567,636.46, 783,310.20 and 322,589.39 is: 445,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,636.46 : 783,310.20 = 322,589.39 : x
  2. Step 2: Convert to fraction form
    567,636.46/783,310.20 = 322,589.39/x
  3. Step 3: Cross multiply
    567,636.46x = 783,310.20 × 322,589.39
  4. Step 4: Simplify right side
    567,636.46x = 252,687,554,472.52
  5. Step 5: Solve for x
    x = 252,687,554,472.52/567,636.46
  6. Step 6: Final answer
    x = 445,157.37

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1.5x scale

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.