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Finding the Fourth Proportional to 301,618.66, 416,129.56 and 192,786.63

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Solution

The fourth proportional to 301,618.66, 416,129.56 and 192,786.63 is: 265,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,618.66 : 416,129.56 = 192,786.63 : x
  2. Step 2: Convert to fraction form
    301,618.66/416,129.56 = 192,786.63/x
  3. Step 3: Cross multiply
    301,618.66x = 416,129.56 × 192,786.63
  4. Step 4: Simplify right side
    301,618.66x = 80,224,217,169.59
  5. Step 5: Solve for x
    x = 80,224,217,169.59/301,618.66
  6. Step 6: Final answer
    x = 265,978.96

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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.