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Finding the Fourth Proportional to 196,280.55, 275,414.85 and 196,280.55

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Solution

The fourth proportional to 196,280.55, 275,414.85 and 196,280.55 is: 275,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,280.55 : 275,414.85 = 196,280.55 : x
  2. Step 2: Convert to fraction form
    196,280.55/275,414.85 = 196,280.55/x
  3. Step 3: Cross multiply
    196,280.55x = 275,414.85 × 196,280.55
  4. Step 4: Simplify right side
    196,280.55x = 54,058,578,236.17
  5. Step 5: Solve for x
    x = 54,058,578,236.17/196,280.55
  6. Step 6: Final answer
    x = 275,414.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.