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Finding the Fourth Proportional to 669,951.80, 1,004,052.90 and 482,744.60

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Solution

The fourth proportional to 669,951.80, 1,004,052.90 and 482,744.60 is: 723,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,951.80 : 1,004,052.90 = 482,744.60 : x
  2. Step 2: Convert to fraction form
    669,951.80/1,004,052.90 = 482,744.60/x
  3. Step 3: Cross multiply
    669,951.80x = 1,004,052.90 × 482,744.60
  4. Step 4: Simplify right side
    669,951.80x = 484,701,115,589.34
  5. Step 5: Solve for x
    x = 484,701,115,589.34/669,951.80
  6. Step 6: Final answer
    x = 723,486.55

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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.