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Finding the Fourth Proportional to 317,958.60, 476,427.60 and 168,003.30

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Solution

The fourth proportional to 317,958.60, 476,427.60 and 168,003.30 is: 251,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,958.60 : 476,427.60 = 168,003.30 : x
  2. Step 2: Convert to fraction form
    317,958.60/476,427.60 = 168,003.30/x
  3. Step 3: Cross multiply
    317,958.60x = 476,427.60 × 168,003.30
  4. Step 4: Simplify right side
    317,958.60x = 80,041,409,011.08
  5. Step 5: Solve for x
    x = 80,041,409,011.08/317,958.60
  6. Step 6: Final answer
    x = 251,735.32

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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.