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Finding the Fourth Proportional to 303,187, 418,392.39 and 167,233.63

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Solution

The fourth proportional to 303,187, 418,392.39 and 167,233.63 is: 230,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,187 : 418,392.39 = 167,233.63 : x
  2. Step 2: Convert to fraction form
    303,187/418,392.39 = 167,233.63/x
  3. Step 3: Cross multiply
    303,187x = 418,392.39 × 167,233.63
  4. Step 4: Simplify right side
    303,187x = 69,969,278,144.08
  5. Step 5: Solve for x
    x = 69,969,278,144.08/303,187
  6. Step 6: Final answer
    x = 230,779.28

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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.