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Finding the Fourth Proportional to 275,632.56, 380,363.31 and 168,382.08

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Solution

The fourth proportional to 275,632.56, 380,363.31 and 168,382.08 is: 232,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,632.56 : 380,363.31 = 168,382.08 : x
  2. Step 2: Convert to fraction form
    275,632.56/380,363.31 = 168,382.08/x
  3. Step 3: Cross multiply
    275,632.56x = 380,363.31 × 168,382.08
  4. Step 4: Simplify right side
    275,632.56x = 64,046,365,293.48
  5. Step 5: Solve for x
    x = 64,046,365,293.48/275,632.56
  6. Step 6: Final answer
    x = 232,361.39

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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.