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Finding the Fourth Proportional to 351,992.40, 526,822.20 and 323,998.80

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Solution

The fourth proportional to 351,992.40, 526,822.20 and 323,998.80 is: 484,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,992.40 : 526,822.20 = 323,998.80 : x
  2. Step 2: Convert to fraction form
    351,992.40/526,822.20 = 323,998.80/x
  3. Step 3: Cross multiply
    351,992.40x = 526,822.20 × 323,998.80
  4. Step 4: Simplify right side
    351,992.40x = 170,689,760,613.36
  5. Step 5: Solve for x
    x = 170,689,760,613.36/351,992.40
  6. Step 6: Final answer
    x = 484,924.56

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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.