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Finding the Fourth Proportional to 302,908.53, 417,996.75 and 166,942.07

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Solution

The fourth proportional to 302,908.53, 417,996.75 and 166,942.07 is: 230,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,908.53 : 417,996.75 = 166,942.07 : x
  2. Step 2: Convert to fraction form
    302,908.53/417,996.75 = 166,942.07/x
  3. Step 3: Cross multiply
    302,908.53x = 417,996.75 × 166,942.07
  4. Step 4: Simplify right side
    302,908.53x = 69,781,242,698.27
  5. Step 5: Solve for x
    x = 69,781,242,698.27/302,908.53
  6. Step 6: Final answer
    x = 230,370.68

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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.