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Finding the Fourth Proportional to 303,230.70, 454,844.70 and 236,727

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Solution

The fourth proportional to 303,230.70, 454,844.70 and 236,727 is: 355,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,230.70 : 454,844.70 = 236,727 : x
  2. Step 2: Convert to fraction form
    303,230.70/454,844.70 = 236,727/x
  3. Step 3: Cross multiply
    303,230.70x = 454,844.70 × 236,727
  4. Step 4: Simplify right side
    303,230.70x = 107,674,021,296.90
  5. Step 5: Solve for x
    x = 107,674,021,296.90/303,230.70
  6. Step 6: Final answer
    x = 355,089.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.