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Finding the Fourth Proportional to 699,804.67, 966,195.26 and 538,374.91

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Solution

The fourth proportional to 699,804.67, 966,195.26 and 538,374.91 is: 743,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,804.67 : 966,195.26 = 538,374.91 : x
  2. Step 2: Convert to fraction form
    699,804.67/966,195.26 = 538,374.91/x
  3. Step 3: Cross multiply
    699,804.67x = 966,195.26 × 538,374.91
  4. Step 4: Simplify right side
    699,804.67x = 520,175,286,144.93
  5. Step 5: Solve for x
    x = 520,175,286,144.93/699,804.67
  6. Step 6: Final answer
    x = 743,314.97

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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.