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Finding the Fourth Proportional to 505,333.76, 757,747.08 and 168,255.68

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Solution

The fourth proportional to 505,333.76, 757,747.08 and 168,255.68 is: 252,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,333.76 : 757,747.08 = 168,255.68 : x
  2. Step 2: Convert to fraction form
    505,333.76/757,747.08 = 168,255.68/x
  3. Step 3: Cross multiply
    505,333.76x = 757,747.08 × 168,255.68
  4. Step 4: Simplify right side
    505,333.76x = 127,495,250,213.41
  5. Step 5: Solve for x
    x = 127,495,250,213.41/505,333.76
  6. Step 6: Final answer
    x = 252,299.09

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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.