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Finding the Fourth Proportional to 397,693.08, 548,607.24 and 236,433.42

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Solution

The fourth proportional to 397,693.08, 548,607.24 and 236,433.42 is: 326,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,693.08 : 548,607.24 = 236,433.42 : x
  2. Step 2: Convert to fraction form
    397,693.08/548,607.24 = 236,433.42/x
  3. Step 3: Cross multiply
    397,693.08x = 548,607.24 × 236,433.42
  4. Step 4: Simplify right side
    397,693.08x = 129,709,085,989.96
  5. Step 5: Solve for x
    x = 129,709,085,989.96/397,693.08
  6. Step 6: Final answer
    x = 326,153.74

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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.