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Finding the Fourth Proportional to 317,371.15, 437,926.26 and 181,383.49

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Solution

The fourth proportional to 317,371.15, 437,926.26 and 181,383.49 is: 250,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,371.15 : 437,926.26 = 181,383.49 : x
  2. Step 2: Convert to fraction form
    317,371.15/437,926.26 = 181,383.49/x
  3. Step 3: Cross multiply
    317,371.15x = 437,926.26 × 181,383.49
  4. Step 4: Simplify right side
    317,371.15x = 79,432,593,401.45
  5. Step 5: Solve for x
    x = 79,432,593,401.45/317,371.15
  6. Step 6: Final answer
    x = 250,282.97

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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.