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Finding the Fourth Proportional to 303,529.13, 418,873.59 and 167,563.16

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Solution

The fourth proportional to 303,529.13, 418,873.59 and 167,563.16 is: 231,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,529.13 : 418,873.59 = 167,563.16 : x
  2. Step 2: Convert to fraction form
    303,529.13/418,873.59 = 167,563.16/x
  3. Step 3: Cross multiply
    303,529.13x = 418,873.59 × 167,563.16
  4. Step 4: Simplify right side
    303,529.13x = 70,187,782,380.94
  5. Step 5: Solve for x
    x = 70,187,782,380.94/303,529.13
  6. Step 6: Final answer
    x = 231,239.03

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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.