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Finding the Fourth Proportional to 303,631.84, 418,914.48 and 169,469.92

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Solution

The fourth proportional to 303,631.84, 418,914.48 and 169,469.92 is: 233,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,631.84 : 418,914.48 = 169,469.92 : x
  2. Step 2: Convert to fraction form
    303,631.84/418,914.48 = 169,469.92/x
  3. Step 3: Cross multiply
    303,631.84x = 418,914.48 × 169,469.92
  4. Step 4: Simplify right side
    303,631.84x = 70,993,403,412.44
  5. Step 5: Solve for x
    x = 70,993,403,412.44/303,631.84
  6. Step 6: Final answer
    x = 233,814.09

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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.