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Finding the Fourth Proportional to 297,540.72, 410,487.48 and 190,082.88

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Solution

The fourth proportional to 297,540.72, 410,487.48 and 190,082.88 is: 262,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,540.72 : 410,487.48 = 190,082.88 : x
  2. Step 2: Convert to fraction form
    297,540.72/410,487.48 = 190,082.88/x
  3. Step 3: Cross multiply
    297,540.72x = 410,487.48 × 190,082.88
  4. Step 4: Simplify right side
    297,540.72x = 78,026,642,402.34
  5. Step 5: Solve for x
    x = 78,026,642,402.34/297,540.72
  6. Step 6: Final answer
    x = 262,238.53

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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.