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Finding the Fourth Proportional to 326,514.44, 450,759.03 and 253,754.84

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Solution

The fourth proportional to 326,514.44, 450,759.03 and 253,754.84 is: 350,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,514.44 : 450,759.03 = 253,754.84 : x
  2. Step 2: Convert to fraction form
    326,514.44/450,759.03 = 253,754.84/x
  3. Step 3: Cross multiply
    326,514.44x = 450,759.03 × 253,754.84
  4. Step 4: Simplify right side
    326,514.44x = 114,382,285,536.21
  5. Step 5: Solve for x
    x = 114,382,285,536.21/326,514.44
  6. Step 6: Final answer
    x = 350,313.10

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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.