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Finding the Fourth Proportional to 799,942.40, 1,103,920 and 437,367.68

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Solution

The fourth proportional to 799,942.40, 1,103,920 and 437,367.68 is: 603,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,942.40 : 1,103,920 = 437,367.68 : x
  2. Step 2: Convert to fraction form
    799,942.40/1,103,920 = 437,367.68/x
  3. Step 3: Cross multiply
    799,942.40x = 1,103,920 × 437,367.68
  4. Step 4: Simplify right side
    799,942.40x = 482,818,929,305.60
  5. Step 5: Solve for x
    x = 482,818,929,305.60/799,942.40
  6. Step 6: Final answer
    x = 603,567.12

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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.