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Finding the Fourth Proportional to 324,769.68, 448,182 and 190,633.68

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Solution

The fourth proportional to 324,769.68, 448,182 and 190,633.68 is: 263,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,769.68 : 448,182 = 190,633.68 : x
  2. Step 2: Convert to fraction form
    324,769.68/448,182 = 190,633.68/x
  3. Step 3: Cross multiply
    324,769.68x = 448,182 × 190,633.68
  4. Step 4: Simplify right side
    324,769.68x = 85,438,583,969.76
  5. Step 5: Solve for x
    x = 85,438,583,969.76/324,769.68
  6. Step 6: Final answer
    x = 263,074.39

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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.