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Finding the Fourth Proportional to 647,526.38, 970,735.64 and 248,453.55

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Solution

The fourth proportional to 647,526.38, 970,735.64 and 248,453.55 is: 372,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,526.38 : 970,735.64 = 248,453.55 : x
  2. Step 2: Convert to fraction form
    647,526.38/970,735.64 = 248,453.55/x
  3. Step 3: Cross multiply
    647,526.38x = 970,735.64 × 248,453.55
  4. Step 4: Simplify right side
    647,526.38x = 241,182,714,627.25
  5. Step 5: Solve for x
    x = 241,182,714,627.25/647,526.38
  6. Step 6: Final answer
    x = 372,467.79

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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.