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Finding the Fourth Proportional to 298,181.60, 447,790.80 and 158,213.60

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Solution

The fourth proportional to 298,181.60, 447,790.80 and 158,213.60 is: 237,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,181.60 : 447,790.80 = 158,213.60 : x
  2. Step 2: Convert to fraction form
    298,181.60/447,790.80 = 158,213.60/x
  3. Step 3: Cross multiply
    298,181.60x = 447,790.80 × 158,213.60
  4. Step 4: Simplify right side
    298,181.60x = 70,846,594,514.88
  5. Step 5: Solve for x
    x = 70,846,594,514.88/298,181.60
  6. Step 6: Final answer
    x = 237,595.46

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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.