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Finding the Fourth Proportional to 275,542.41, 380,265.55 and 183,503.88

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Solution

The fourth proportional to 275,542.41, 380,265.55 and 183,503.88 is: 253,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,542.41 : 380,265.55 = 183,503.88 : x
  2. Step 2: Convert to fraction form
    275,542.41/380,265.55 = 183,503.88/x
  3. Step 3: Cross multiply
    275,542.41x = 380,265.55 × 183,503.88
  4. Step 4: Simplify right side
    275,542.41x = 69,780,203,855.33
  5. Step 5: Solve for x
    x = 69,780,203,855.33/275,542.41
  6. Step 6: Final answer
    x = 253,246.69

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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.