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Finding the Fourth Proportional to 332,530.20, 499,256.10 and 262,488.60

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Solution

The fourth proportional to 332,530.20, 499,256.10 and 262,488.60 is: 394,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,530.20 : 499,256.10 = 262,488.60 : x
  2. Step 2: Convert to fraction form
    332,530.20/499,256.10 = 262,488.60/x
  3. Step 3: Cross multiply
    332,530.20x = 499,256.10 × 262,488.60
  4. Step 4: Simplify right side
    332,530.20x = 131,049,034,730.46
  5. Step 5: Solve for x
    x = 131,049,034,730.46/332,530.20
  6. Step 6: Final answer
    x = 394,096.64

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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.