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Finding the Fourth Proportional to 297,017.82, 409,847.82 and 189,650.70

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Solution

The fourth proportional to 297,017.82, 409,847.82 and 189,650.70 is: 261,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,017.82 : 409,847.82 = 189,650.70 : x
  2. Step 2: Convert to fraction form
    297,017.82/409,847.82 = 189,650.70/x
  3. Step 3: Cross multiply
    297,017.82x = 409,847.82 × 189,650.70
  4. Step 4: Simplify right side
    297,017.82x = 77,727,925,956.47
  5. Step 5: Solve for x
    x = 77,727,925,956.47/297,017.82
  6. Step 6: Final answer
    x = 261,694.49

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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.