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Finding the Fourth Proportional to 303,500.90, 418,845.26 and 174,481.26

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Solution

The fourth proportional to 303,500.90, 418,845.26 and 174,481.26 is: 240,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,500.90 : 418,845.26 = 174,481.26 : x
  2. Step 2: Convert to fraction form
    303,500.90/418,845.26 = 174,481.26/x
  3. Step 3: Cross multiply
    303,500.90x = 418,845.26 × 174,481.26
  4. Step 4: Simplify right side
    303,500.90x = 73,080,648,709.83
  5. Step 5: Solve for x
    x = 73,080,648,709.83/303,500.90
  6. Step 6: Final answer
    x = 240,792.20

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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.