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Finding the Fourth Proportional to 482,600.55, 723,900.83 and 305,890.95

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Solution

The fourth proportional to 482,600.55, 723,900.83 and 305,890.95 is: 458,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,600.55 : 723,900.83 = 305,890.95 : x
  2. Step 2: Convert to fraction form
    482,600.55/723,900.83 = 305,890.95/x
  3. Step 3: Cross multiply
    482,600.55x = 723,900.83 × 305,890.95
  4. Step 4: Simplify right side
    482,600.55x = 221,434,711,065.03
  5. Step 5: Solve for x
    x = 221,434,711,065.03/482,600.55
  6. Step 6: Final answer
    x = 458,836.43

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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.