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Finding the Fourth Proportional to 613,363.37, 919,183.62 and 522,938.44

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Solution

The fourth proportional to 613,363.37, 919,183.62 and 522,938.44 is: 783,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,363.37 : 919,183.62 = 522,938.44 : x
  2. Step 2: Convert to fraction form
    613,363.37/919,183.62 = 522,938.44/x
  3. Step 3: Cross multiply
    613,363.37x = 919,183.62 × 522,938.44
  4. Step 4: Simplify right side
    613,363.37x = 480,676,443,720.44
  5. Step 5: Solve for x
    x = 480,676,443,720.44/613,363.37
  6. Step 6: Final answer
    x = 783,673.21

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1.5x scale

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.