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Finding the Fourth Proportional to 365,414.20, 547,343.70 and 303,206.20

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Solution

The fourth proportional to 365,414.20, 547,343.70 and 303,206.20 is: 454,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,414.20 : 547,343.70 = 303,206.20 : x
  2. Step 2: Convert to fraction form
    365,414.20/547,343.70 = 303,206.20/x
  3. Step 3: Cross multiply
    365,414.20x = 547,343.70 × 303,206.20
  4. Step 4: Simplify right side
    365,414.20x = 165,958,003,370.94
  5. Step 5: Solve for x
    x = 165,958,003,370.94/365,414.20
  6. Step 6: Final answer
    x = 454,164.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.