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Finding the Fourth Proportional to 463,003.20, 649,137.60 and 463,003.20

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Solution

The fourth proportional to 463,003.20, 649,137.60 and 463,003.20 is: 649,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,003.20 : 649,137.60 = 463,003.20 : x
  2. Step 2: Convert to fraction form
    463,003.20/649,137.60 = 463,003.20/x
  3. Step 3: Cross multiply
    463,003.20x = 649,137.60 × 463,003.20
  4. Step 4: Simplify right side
    463,003.20x = 300,552,786,040.32
  5. Step 5: Solve for x
    x = 300,552,786,040.32/463,003.20
  6. Step 6: Final answer
    x = 649,137.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.