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Finding the Fourth Proportional to 285,768.33, 394,179.56 and 183,618.23

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Solution

The fourth proportional to 285,768.33, 394,179.56 and 183,618.23 is: 253,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,768.33 : 394,179.56 = 183,618.23 : x
  2. Step 2: Convert to fraction form
    285,768.33/394,179.56 = 183,618.23/x
  3. Step 3: Cross multiply
    285,768.33x = 394,179.56 × 183,618.23
  4. Step 4: Simplify right side
    285,768.33x = 72,378,550,220.39
  5. Step 5: Solve for x
    x = 72,378,550,220.39/285,768.33
  6. Step 6: Final answer
    x = 253,277.02

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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.