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Finding the Fourth Proportional to 382,080.38, 573,208.04 and 132,762.38

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Solution

The fourth proportional to 382,080.38, 573,208.04 and 132,762.38 is: 199,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,080.38 : 573,208.04 = 132,762.38 : x
  2. Step 2: Convert to fraction form
    382,080.38/573,208.04 = 132,762.38/x
  3. Step 3: Cross multiply
    382,080.38x = 573,208.04 × 132,762.38
  4. Step 4: Simplify right side
    382,080.38x = 76,100,461,091.40
  5. Step 5: Solve for x
    x = 76,100,461,091.40/382,080.38
  6. Step 6: Final answer
    x = 199,173.96

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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.