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Finding the Fourth Proportional to 297,861.95, 411,052.22 and 161,896.21

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Solution

The fourth proportional to 297,861.95, 411,052.22 and 161,896.21 is: 223,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,861.95 : 411,052.22 = 161,896.21 : x
  2. Step 2: Convert to fraction form
    297,861.95/411,052.22 = 161,896.21/x
  3. Step 3: Cross multiply
    297,861.95x = 411,052.22 × 161,896.21
  4. Step 4: Simplify right side
    297,861.95x = 66,547,796,456.17
  5. Step 5: Solve for x
    x = 66,547,796,456.17/297,861.95
  6. Step 6: Final answer
    x = 223,418.25

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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.