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Finding the Fourth Proportional to 331,367.60, 497,134.20 and 106,749.20

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Solution

The fourth proportional to 331,367.60, 497,134.20 and 106,749.20 is: 160,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,367.60 : 497,134.20 = 106,749.20 : x
  2. Step 2: Convert to fraction form
    331,367.60/497,134.20 = 106,749.20/x
  3. Step 3: Cross multiply
    331,367.60x = 497,134.20 × 106,749.20
  4. Step 4: Simplify right side
    331,367.60x = 53,068,678,142.64
  5. Step 5: Solve for x
    x = 53,068,678,142.64/331,367.60
  6. Step 6: Final answer
    x = 160,150.47

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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.