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Finding the Fourth Proportional to 275,016.83, 412,525.58 and 75,338.93

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Solution

The fourth proportional to 275,016.83, 412,525.58 and 75,338.93 is: 113,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,016.83 : 412,525.58 = 75,338.93 : x
  2. Step 2: Convert to fraction form
    275,016.83/412,525.58 = 75,338.93/x
  3. Step 3: Cross multiply
    275,016.83x = 412,525.58 × 75,338.93
  4. Step 4: Simplify right side
    275,016.83x = 31,079,235,794.83
  5. Step 5: Solve for x
    x = 31,079,235,794.83/275,016.83
  6. Step 6: Final answer
    x = 113,008.49

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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.