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Finding the Fourth Proportional to 262,987.80, 394,481.70 and 94,588.80

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Solution

The fourth proportional to 262,987.80, 394,481.70 and 94,588.80 is: 141,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,987.80 : 394,481.70 = 94,588.80 : x
  2. Step 2: Convert to fraction form
    262,987.80/394,481.70 = 94,588.80/x
  3. Step 3: Cross multiply
    262,987.80x = 394,481.70 × 94,588.80
  4. Step 4: Simplify right side
    262,987.80x = 37,313,550,624.96
  5. Step 5: Solve for x
    x = 37,313,550,624.96/262,987.80
  6. Step 6: Final answer
    x = 141,883.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.