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Finding the Fourth Proportional to 326,480.14, 450,517.90 and 183,212.51

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Solution

The fourth proportional to 326,480.14, 450,517.90 and 183,212.51 is: 252,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,480.14 : 450,517.90 = 183,212.51 : x
  2. Step 2: Convert to fraction form
    326,480.14/450,517.90 = 183,212.51/x
  3. Step 3: Cross multiply
    326,480.14x = 450,517.90 × 183,212.51
  4. Step 4: Simplify right side
    326,480.14x = 82,540,514,158.91
  5. Step 5: Solve for x
    x = 82,540,514,158.91/326,480.14
  6. Step 6: Final answer
    x = 252,819.40

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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.