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Finding the Fourth Proportional to 629,039.70, 943,559.55 and 488,898.90

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Solution

The fourth proportional to 629,039.70, 943,559.55 and 488,898.90 is: 733,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,039.70 : 943,559.55 = 488,898.90 : x
  2. Step 2: Convert to fraction form
    629,039.70/943,559.55 = 488,898.90/x
  3. Step 3: Cross multiply
    629,039.70x = 943,559.55 × 488,898.90
  4. Step 4: Simplify right side
    629,039.70x = 461,305,226,079.50
  5. Step 5: Solve for x
    x = 461,305,226,079.50/629,039.70
  6. Step 6: Final answer
    x = 733,348.35

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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.