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Finding the Fourth Proportional to 318,181.96, 439,079.29 and 174,933.46

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Solution

The fourth proportional to 318,181.96, 439,079.29 and 174,933.46 is: 241,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,181.96 : 439,079.29 = 174,933.46 : x
  2. Step 2: Convert to fraction form
    318,181.96/439,079.29 = 174,933.46/x
  3. Step 3: Cross multiply
    318,181.96x = 439,079.29 × 174,933.46
  4. Step 4: Simplify right side
    318,181.96x = 76,809,659,414.04
  5. Step 5: Solve for x
    x = 76,809,659,414.04/318,181.96
  6. Step 6: Final answer
    x = 241,401.68

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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.