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Finding the Fourth Proportional to 288,255.53, 397,829.32 and 167,372.75

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Solution

The fourth proportional to 288,255.53, 397,829.32 and 167,372.75 is: 230,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,255.53 : 397,829.32 = 167,372.75 : x
  2. Step 2: Convert to fraction form
    288,255.53/397,829.32 = 167,372.75/x
  3. Step 3: Cross multiply
    288,255.53x = 397,829.32 × 167,372.75
  4. Step 4: Simplify right side
    288,255.53x = 66,585,787,319.03
  5. Step 5: Solve for x
    x = 66,585,787,319.03/288,255.53
  6. Step 6: Final answer
    x = 230,995.70

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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.