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Finding the Fourth Proportional to 288,101.34, 397,540.71 and 167,223.42

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Solution

The fourth proportional to 288,101.34, 397,540.71 and 167,223.42 is: 230,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,101.34 : 397,540.71 = 167,223.42 : x
  2. Step 2: Convert to fraction form
    288,101.34/397,540.71 = 167,223.42/x
  3. Step 3: Cross multiply
    288,101.34x = 397,540.71 × 167,223.42
  4. Step 4: Simplify right side
    288,101.34x = 66,478,117,115.43
  5. Step 5: Solve for x
    x = 66,478,117,115.43/288,101.34
  6. Step 6: Final answer
    x = 230,745.60

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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.