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Finding the Fourth Proportional to 303,019.45, 418,169.74 and 167,058.37

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Solution

The fourth proportional to 303,019.45, 418,169.74 and 167,058.37 is: 230,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,019.45 : 418,169.74 = 167,058.37 : x
  2. Step 2: Convert to fraction form
    303,019.45/418,169.74 = 167,058.37/x
  3. Step 3: Cross multiply
    303,019.45x = 418,169.74 × 167,058.37
  4. Step 4: Simplify right side
    303,019.45x = 69,858,752,639.23
  5. Step 5: Solve for x
    x = 69,858,752,639.23/303,019.45
  6. Step 6: Final answer
    x = 230,542.14

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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.