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Finding the Fourth Proportional to 323,514.79, 485,272.18 and 323,514.79

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Solution

The fourth proportional to 323,514.79, 485,272.18 and 323,514.79 is: 485,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,514.79 : 485,272.18 = 323,514.79 : x
  2. Step 2: Convert to fraction form
    323,514.79/485,272.18 = 323,514.79/x
  3. Step 3: Cross multiply
    323,514.79x = 485,272.18 × 323,514.79
  4. Step 4: Simplify right side
    323,514.79x = 156,992,726,596.76
  5. Step 5: Solve for x
    x = 156,992,726,596.76/323,514.79
  6. Step 6: Final answer
    x = 485,272.18

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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.