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Finding the Fourth Proportional to 404,708.16, 558,993.99 and 303,187.62

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Solution

The fourth proportional to 404,708.16, 558,993.99 and 303,187.62 is: 418,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,708.16 : 558,993.99 = 303,187.62 : x
  2. Step 2: Convert to fraction form
    404,708.16/558,993.99 = 303,187.62/x
  3. Step 3: Cross multiply
    404,708.16x = 558,993.99 × 303,187.62
  4. Step 4: Simplify right side
    404,708.16x = 169,480,057,422.40
  5. Step 5: Solve for x
    x = 169,480,057,422.40/404,708.16
  6. Step 6: Final answer
    x = 418,771.04

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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.