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Finding the Fourth Proportional to 302,969.23, 418,121.63 and 167,027.47

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Solution

The fourth proportional to 302,969.23, 418,121.63 and 167,027.47 is: 230,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,969.23 : 418,121.63 = 167,027.47 : x
  2. Step 2: Convert to fraction form
    302,969.23/418,121.63 = 167,027.47/x
  3. Step 3: Cross multiply
    302,969.23x = 418,121.63 × 167,027.47
  4. Step 4: Simplify right side
    302,969.23x = 69,837,796,757.09
  5. Step 5: Solve for x
    x = 69,837,796,757.09/302,969.23
  6. Step 6: Final answer
    x = 230,511.19

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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.