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Finding the Fourth Proportional to 297,832.55, 411,012.08 and 161,866.50

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Solution

The fourth proportional to 297,832.55, 411,012.08 and 161,866.50 is: 223,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,832.55 : 411,012.08 = 161,866.50 : x
  2. Step 2: Convert to fraction form
    297,832.55/411,012.08 = 161,866.50/x
  3. Step 3: Cross multiply
    297,832.55x = 411,012.08 × 161,866.50
  4. Step 4: Simplify right side
    297,832.55x = 66,529,087,251.99
  5. Step 5: Solve for x
    x = 66,529,087,251.99/297,832.55
  6. Step 6: Final answer
    x = 223,377.49

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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.