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Finding the Fourth Proportional to 275,730.77, 380,411.57 and 180,293.33

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Solution

The fourth proportional to 275,730.77, 380,411.57 and 180,293.33 is: 248,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,730.77 : 380,411.57 = 180,293.33 : x
  2. Step 2: Convert to fraction form
    275,730.77/380,411.57 = 180,293.33/x
  3. Step 3: Cross multiply
    275,730.77x = 380,411.57 × 180,293.33
  4. Step 4: Simplify right side
    275,730.77x = 68,585,667,824.36
  5. Step 5: Solve for x
    x = 68,585,667,824.36/275,730.77
  6. Step 6: Final answer
    x = 248,741.44

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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.