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Finding the Fourth Proportional to 297,895.52, 411,513.54 and 270,990.56

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Solution

The fourth proportional to 297,895.52, 411,513.54 and 270,990.56 is: 374,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,895.52 : 411,513.54 = 270,990.56 : x
  2. Step 2: Convert to fraction form
    297,895.52/411,513.54 = 270,990.56/x
  3. Step 3: Cross multiply
    297,895.52x = 411,513.54 × 270,990.56
  4. Step 4: Simplify right side
    297,895.52x = 111,516,284,652.18
  5. Step 5: Solve for x
    x = 111,516,284,652.18/297,895.52
  6. Step 6: Final answer
    x = 374,346.97

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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.