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Finding the Fourth Proportional to 353,094.44, 529,674.30 and 100,380.20

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Solution

The fourth proportional to 353,094.44, 529,674.30 and 100,380.20 is: 150,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,094.44 : 529,674.30 = 100,380.20 : x
  2. Step 2: Convert to fraction form
    353,094.44/529,674.30 = 100,380.20/x
  3. Step 3: Cross multiply
    353,094.44x = 529,674.30 × 100,380.20
  4. Step 4: Simplify right side
    353,094.44x = 53,168,812,168.86
  5. Step 5: Solve for x
    x = 53,168,812,168.86/353,094.44
  6. Step 6: Final answer
    x = 150,579.58

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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.