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Finding the Fourth Proportional to 441,157.89, 661,538.79 and 125,539.77

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Solution

The fourth proportional to 441,157.89, 661,538.79 and 125,539.77 is: 188,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,157.89 : 661,538.79 = 125,539.77 : x
  2. Step 2: Convert to fraction form
    441,157.89/661,538.79 = 125,539.77/x
  3. Step 3: Cross multiply
    441,157.89x = 661,538.79 × 125,539.77
  4. Step 4: Simplify right side
    441,157.89x = 83,049,427,542.68
  5. Step 5: Solve for x
    x = 83,049,427,542.68/441,157.89
  6. Step 6: Final answer
    x = 188,253.30

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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.