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Finding the Fourth Proportional to 297,493.56, 410,543.91 and 161,528.94

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Solution

The fourth proportional to 297,493.56, 410,543.91 and 161,528.94 is: 222,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,493.56 : 410,543.91 = 161,528.94 : x
  2. Step 2: Convert to fraction form
    297,493.56/410,543.91 = 161,528.94/x
  3. Step 3: Cross multiply
    297,493.56x = 410,543.91 × 161,528.94
  4. Step 4: Simplify right side
    297,493.56x = 66,314,722,605.76
  5. Step 5: Solve for x
    x = 66,314,722,605.76/297,493.56
  6. Step 6: Final answer
    x = 222,911.46

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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.