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Finding the Fourth Proportional to 467,578.44, 645,245.30 and 263,627.55

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Solution

The fourth proportional to 467,578.44, 645,245.30 and 263,627.55 is: 363,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,578.44 : 645,245.30 = 263,627.55 : x
  2. Step 2: Convert to fraction form
    467,578.44/645,245.30 = 263,627.55/x
  3. Step 3: Cross multiply
    467,578.44x = 645,245.30 × 263,627.55
  4. Step 4: Simplify right side
    467,578.44x = 170,104,438,247.08
  5. Step 5: Solve for x
    x = 170,104,438,247.08/467,578.44
  6. Step 6: Final answer
    x = 363,798.72

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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.