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Finding the Fourth Proportional to 303,483.99, 418,807.92 and 167,517.97

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Solution

The fourth proportional to 303,483.99, 418,807.92 and 167,517.97 is: 231,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,483.99 : 418,807.92 = 167,517.97 : x
  2. Step 2: Convert to fraction form
    303,483.99/418,807.92 = 167,517.97/x
  3. Step 3: Cross multiply
    303,483.99x = 418,807.92 × 167,517.97
  4. Step 4: Simplify right side
    303,483.99x = 70,157,852,578.32
  5. Step 5: Solve for x
    x = 70,157,852,578.32/303,483.99
  6. Step 6: Final answer
    x = 231,174.81

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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.