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Finding the Fourth Proportional to 500,379.23, 750,562.68 and 200,854.53

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Solution

The fourth proportional to 500,379.23, 750,562.68 and 200,854.53 is: 301,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,379.23 : 750,562.68 = 200,854.53 : x
  2. Step 2: Convert to fraction form
    500,379.23/750,562.68 = 200,854.53/x
  3. Step 3: Cross multiply
    500,379.23x = 750,562.68 × 200,854.53
  4. Step 4: Simplify right side
    500,379.23x = 150,753,914,326.94
  5. Step 5: Solve for x
    x = 150,753,914,326.94/500,379.23
  6. Step 6: Final answer
    x = 301,279.32

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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.