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Finding the Fourth Proportional to 304,207.49, 419,789.79 and 168,233.49

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Solution

The fourth proportional to 304,207.49, 419,789.79 and 168,233.49 is: 232,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,207.49 : 419,789.79 = 168,233.49 : x
  2. Step 2: Convert to fraction form
    304,207.49/419,789.79 = 168,233.49/x
  3. Step 3: Cross multiply
    304,207.49x = 419,789.79 × 168,233.49
  4. Step 4: Simplify right side
    304,207.49x = 70,622,701,438.07
  5. Step 5: Solve for x
    x = 70,622,701,438.07/304,207.49
  6. Step 6: Final answer
    x = 232,153.07

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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.