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Finding the Fourth Proportional to 626,825.05, 940,191.57 and 200,246.31

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Solution

The fourth proportional to 626,825.05, 940,191.57 and 200,246.31 is: 300,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,825.05 : 940,191.57 = 200,246.31 : x
  2. Step 2: Convert to fraction form
    626,825.05/940,191.57 = 200,246.31/x
  3. Step 3: Cross multiply
    626,825.05x = 940,191.57 × 200,246.31
  4. Step 4: Simplify right side
    626,825.05x = 188,269,892,585.61
  5. Step 5: Solve for x
    x = 188,269,892,585.61/626,825.05
  6. Step 6: Final answer
    x = 300,354.77

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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.