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Finding the Fourth Proportional to 655,604.90, 983,555.32 and 200,236.94

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Solution

The fourth proportional to 655,604.90, 983,555.32 and 200,236.94 is: 300,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,604.90 : 983,555.32 = 200,236.94 : x
  2. Step 2: Convert to fraction form
    655,604.90/983,555.32 = 200,236.94/x
  3. Step 3: Cross multiply
    655,604.90x = 983,555.32 × 200,236.94
  4. Step 4: Simplify right side
    655,604.90x = 196,944,107,597.52
  5. Step 5: Solve for x
    x = 196,944,107,597.52/655,604.90
  6. Step 6: Final answer
    x = 300,400.60

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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.