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Finding the Fourth Proportional to 303,313.56, 418,571.53 and 167,355.97

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Solution

The fourth proportional to 303,313.56, 418,571.53 and 167,355.97 is: 230,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,313.56 : 418,571.53 = 167,355.97 : x
  2. Step 2: Convert to fraction form
    303,313.56/418,571.53 = 167,355.97/x
  3. Step 3: Cross multiply
    303,313.56x = 418,571.53 × 167,355.97
  4. Step 4: Simplify right side
    303,313.56x = 70,050,442,324.68
  5. Step 5: Solve for x
    x = 70,050,442,324.68/303,313.56
  6. Step 6: Final answer
    x = 230,950.58

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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.