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Finding the Fourth Proportional to 263,450.36, 395,189.52 and 83,549.96

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Solution

The fourth proportional to 263,450.36, 395,189.52 and 83,549.96 is: 125,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,450.36 : 395,189.52 = 83,549.96 : x
  2. Step 2: Convert to fraction form
    263,450.36/395,189.52 = 83,549.96/x
  3. Step 3: Cross multiply
    263,450.36x = 395,189.52 × 83,549.96
  4. Step 4: Simplify right side
    263,450.36x = 33,018,069,186.84
  5. Step 5: Solve for x
    x = 33,018,069,186.84/263,450.36
  6. Step 6: Final answer
    x = 125,329.38

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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.