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Finding the Fourth Proportional to 317,682.27, 476,383.48 and 149,250.47

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Solution

The fourth proportional to 317,682.27, 476,383.48 and 149,250.47 is: 223,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,682.27 : 476,383.48 = 149,250.47 : x
  2. Step 2: Convert to fraction form
    317,682.27/476,383.48 = 149,250.47/x
  3. Step 3: Cross multiply
    317,682.27x = 476,383.48 × 149,250.47
  4. Step 4: Simplify right side
    317,682.27x = 71,100,455,535.19
  5. Step 5: Solve for x
    x = 71,100,455,535.19/317,682.27
  6. Step 6: Final answer
    x = 223,809.96

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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.