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Finding the Fourth Proportional to 303,816, 419,301.70 and 183,018.26

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Solution

The fourth proportional to 303,816, 419,301.70 and 183,018.26 is: 252,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,816 : 419,301.70 = 183,018.26 : x
  2. Step 2: Convert to fraction form
    303,816/419,301.70 = 183,018.26/x
  3. Step 3: Cross multiply
    303,816x = 419,301.70 × 183,018.26
  4. Step 4: Simplify right side
    303,816x = 76,739,867,549.04
  5. Step 5: Solve for x
    x = 76,739,867,549.04/303,816
  6. Step 6: Final answer
    x = 252,586.66

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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.