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Finding the Fourth Proportional to 307,847.56, 424,825.48 and 171,883.60

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Solution

The fourth proportional to 307,847.56, 424,825.48 and 171,883.60 is: 237,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,847.56 : 424,825.48 = 171,883.60 : x
  2. Step 2: Convert to fraction form
    307,847.56/424,825.48 = 171,883.60/x
  3. Step 3: Cross multiply
    307,847.56x = 424,825.48 × 171,883.60
  4. Step 4: Simplify right side
    307,847.56x = 73,020,532,874.13
  5. Step 5: Solve for x
    x = 73,020,532,874.13/307,847.56
  6. Step 6: Final answer
    x = 237,197.05

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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.