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Finding the Fourth Proportional to 303,118.97, 418,328.03 and 167,165.33

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Solution

The fourth proportional to 303,118.97, 418,328.03 and 167,165.33 is: 230,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,118.97 : 418,328.03 = 167,165.33 : x
  2. Step 2: Convert to fraction form
    303,118.97/418,328.03 = 167,165.33/x
  3. Step 3: Cross multiply
    303,118.97x = 418,328.03 × 167,165.33
  4. Step 4: Simplify right side
    303,118.97x = 69,929,942,347.37
  5. Step 5: Solve for x
    x = 69,929,942,347.37/303,118.97
  6. Step 6: Final answer
    x = 230,701.31

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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.