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Finding the Fourth Proportional to 275,796.04, 380,743.86 and 185,626.12

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Solution

The fourth proportional to 275,796.04, 380,743.86 and 185,626.12 is: 256,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,796.04 : 380,743.86 = 185,626.12 : x
  2. Step 2: Convert to fraction form
    275,796.04/380,743.86 = 185,626.12/x
  3. Step 3: Cross multiply
    275,796.04x = 380,743.86 × 185,626.12
  4. Step 4: Simplify right side
    275,796.04x = 70,676,005,445.62
  5. Step 5: Solve for x
    x = 70,676,005,445.62/275,796.04
  6. Step 6: Final answer
    x = 256,261.86

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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.