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Finding the Fourth Proportional to 275,525.62, 380,127.57 and 180,087.34

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Solution

The fourth proportional to 275,525.62, 380,127.57 and 180,087.34 is: 248,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,525.62 : 380,127.57 = 180,087.34 : x
  2. Step 2: Convert to fraction form
    275,525.62/380,127.57 = 180,087.34/x
  3. Step 3: Cross multiply
    275,525.62x = 380,127.57 × 180,087.34
  4. Step 4: Simplify right side
    275,525.62x = 68,456,162,941.96
  5. Step 5: Solve for x
    x = 68,456,162,941.96/275,525.62
  6. Step 6: Final answer
    x = 248,456.62

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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.