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Finding the Fourth Proportional to 365,941.40, 548,912.10 and 306,892.40

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Solution

The fourth proportional to 365,941.40, 548,912.10 and 306,892.40 is: 460,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,941.40 : 548,912.10 = 306,892.40 : x
  2. Step 2: Convert to fraction form
    365,941.40/548,912.10 = 306,892.40/x
  3. Step 3: Cross multiply
    365,941.40x = 548,912.10 × 306,892.40
  4. Step 4: Simplify right side
    365,941.40x = 168,456,951,758.04
  5. Step 5: Solve for x
    x = 168,456,951,758.04/365,941.40
  6. Step 6: Final answer
    x = 460,338.60

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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.