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Finding the Fourth Proportional to 313,297.29, 432,350.60 and 170,057.31

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Solution

The fourth proportional to 313,297.29, 432,350.60 and 170,057.31 is: 234,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,297.29 : 432,350.60 = 170,057.31 : x
  2. Step 2: Convert to fraction form
    313,297.29/432,350.60 = 170,057.31/x
  3. Step 3: Cross multiply
    313,297.29x = 432,350.60 × 170,057.31
  4. Step 4: Simplify right side
    313,297.29x = 73,524,379,162.60
  5. Step 5: Solve for x
    x = 73,524,379,162.60/313,297.29
  6. Step 6: Final answer
    x = 234,679.27

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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.