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Finding the Fourth Proportional to 303,399.86, 418,673.75 and 167,446.62

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Solution

The fourth proportional to 303,399.86, 418,673.75 and 167,446.62 is: 231,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,399.86 : 418,673.75 = 167,446.62 : x
  2. Step 2: Convert to fraction form
    303,399.86/418,673.75 = 167,446.62/x
  3. Step 3: Cross multiply
    303,399.86x = 418,673.75 × 167,446.62
  4. Step 4: Simplify right side
    303,399.86x = 70,105,503,482.99
  5. Step 5: Solve for x
    x = 70,105,503,482.99/303,399.86
  6. Step 6: Final answer
    x = 231,066.37

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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.