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Finding the Fourth Proportional to 379,558.66, 569,151.96 and 126,752.26

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Solution

The fourth proportional to 379,558.66, 569,151.96 and 126,752.26 is: 190,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,558.66 : 569,151.96 = 126,752.26 : x
  2. Step 2: Convert to fraction form
    379,558.66/569,151.96 = 126,752.26/x
  3. Step 3: Cross multiply
    379,558.66x = 569,151.96 × 126,752.26
  4. Step 4: Simplify right side
    379,558.66x = 72,141,297,213.43
  5. Step 5: Solve for x
    x = 72,141,297,213.43/379,558.66
  6. Step 6: Final answer
    x = 190,066.27

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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.