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Finding the Fourth Proportional to 669,453.75, 923,846.22 and 367,647.75

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Solution

The fourth proportional to 669,453.75, 923,846.22 and 367,647.75 is: 507,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,453.75 : 923,846.22 = 367,647.75 : x
  2. Step 2: Convert to fraction form
    669,453.75/923,846.22 = 367,647.75/x
  3. Step 3: Cross multiply
    669,453.75x = 923,846.22 × 367,647.75
  4. Step 4: Simplify right side
    669,453.75x = 339,649,984,129.01
  5. Step 5: Solve for x
    x = 339,649,984,129.01/669,453.75
  6. Step 6: Final answer
    x = 507,353.92

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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.