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Finding the Fourth Proportional to 351,481.01, 527,112.45 and 126,812.24

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Solution

The fourth proportional to 351,481.01, 527,112.45 and 126,812.24 is: 190,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,481.01 : 527,112.45 = 126,812.24 : x
  2. Step 2: Convert to fraction form
    351,481.01/527,112.45 = 126,812.24/x
  3. Step 3: Cross multiply
    351,481.01x = 527,112.45 × 126,812.24
  4. Step 4: Simplify right side
    351,481.01x = 66,844,307,880.83
  5. Step 5: Solve for x
    x = 66,844,307,880.83/351,481.01
  6. Step 6: Final answer
    x = 190,179.01

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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.