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Finding the Fourth Proportional to 313,881.82, 433,161.84 and 170,642.41

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Solution

The fourth proportional to 313,881.82, 433,161.84 and 170,642.41 is: 235,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,881.82 : 433,161.84 = 170,642.41 : x
  2. Step 2: Convert to fraction form
    313,881.82/433,161.84 = 170,642.41/x
  3. Step 3: Cross multiply
    313,881.82x = 433,161.84 × 170,642.41
  4. Step 4: Simplify right side
    313,881.82x = 73,915,780,297.63
  5. Step 5: Solve for x
    x = 73,915,780,297.63/313,881.82
  6. Step 6: Final answer
    x = 235,489.21

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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.