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Finding the Fourth Proportional to 669,468.36, 923,887.62 and 367,662.36

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Solution

The fourth proportional to 669,468.36, 923,887.62 and 367,662.36 is: 507,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,468.36 : 923,887.62 = 367,662.36 : x
  2. Step 2: Convert to fraction form
    669,468.36/923,887.62 = 367,662.36/x
  3. Step 3: Cross multiply
    669,468.36x = 923,887.62 × 367,662.36
  4. Step 4: Simplify right side
    669,468.36x = 339,678,702,743.98
  5. Step 5: Solve for x
    x = 339,678,702,743.98/669,468.36
  6. Step 6: Final answer
    x = 507,385.75

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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.