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Finding the Fourth Proportional to 783,373, 1,081,098.48 and 443,950.60

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Solution

The fourth proportional to 783,373, 1,081,098.48 and 443,950.60 is: 612,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,373 : 1,081,098.48 = 443,950.60 : x
  2. Step 2: Convert to fraction form
    783,373/1,081,098.48 = 443,950.60/x
  3. Step 3: Cross multiply
    783,373x = 1,081,098.48 × 443,950.60
  4. Step 4: Simplify right side
    783,373x = 479,954,318,855.09
  5. Step 5: Solve for x
    x = 479,954,318,855.09/783,373
  6. Step 6: Final answer
    x = 612,676.62

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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.