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Finding the Fourth Proportional to 323,080.01, 445,843.02 and 202,287.90

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Solution

The fourth proportional to 323,080.01, 445,843.02 and 202,287.90 is: 279,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,080.01 : 445,843.02 = 202,287.90 : x
  2. Step 2: Convert to fraction form
    323,080.01/445,843.02 = 202,287.90/x
  3. Step 3: Cross multiply
    323,080.01x = 445,843.02 × 202,287.90
  4. Step 4: Simplify right side
    323,080.01x = 90,188,648,245.46
  5. Step 5: Solve for x
    x = 90,188,648,245.46/323,080.01
  6. Step 6: Final answer
    x = 279,152.67

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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.