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Finding the Fourth Proportional to 360,105.40, 496,903.04 and 198,950.84

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Solution

The fourth proportional to 360,105.40, 496,903.04 and 198,950.84 is: 274,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,105.40 : 496,903.04 = 198,950.84 : x
  2. Step 2: Convert to fraction form
    360,105.40/496,903.04 = 198,950.84/x
  3. Step 3: Cross multiply
    360,105.40x = 496,903.04 × 198,950.84
  4. Step 4: Simplify right side
    360,105.40x = 98,859,277,206.55
  5. Step 5: Solve for x
    x = 98,859,277,206.55/360,105.40
  6. Step 6: Final answer
    x = 274,528.73

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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.