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Finding the Fourth Proportional to 500,620.33, 750,627.69 and 196,650.58

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Solution

The fourth proportional to 500,620.33, 750,627.69 and 196,650.58 is: 294,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,620.33 : 750,627.69 = 196,650.58 : x
  2. Step 2: Convert to fraction form
    500,620.33/750,627.69 = 196,650.58/x
  3. Step 3: Cross multiply
    500,620.33x = 750,627.69 × 196,650.58
  4. Step 4: Simplify right side
    500,620.33x = 147,611,370,602.56
  5. Step 5: Solve for x
    x = 147,611,370,602.56/500,620.33
  6. Step 6: Final answer
    x = 294,856.92

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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.