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Finding the Fourth Proportional to 382,231.20, 573,411.60 and 115,989.60

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Solution

The fourth proportional to 382,231.20, 573,411.60 and 115,989.60 is: 174,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,231.20 : 573,411.60 = 115,989.60 : x
  2. Step 2: Convert to fraction form
    382,231.20/573,411.60 = 115,989.60/x
  3. Step 3: Cross multiply
    382,231.20x = 573,411.60 × 115,989.60
  4. Step 4: Simplify right side
    382,231.20x = 66,509,782,119.36
  5. Step 5: Solve for x
    x = 66,509,782,119.36/382,231.20
  6. Step 6: Final answer
    x = 174,004.06

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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.