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Finding the Fourth Proportional to 591,866.52, 816,777.18 and 323,611.80

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Solution

The fourth proportional to 591,866.52, 816,777.18 and 323,611.80 is: 446,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,866.52 : 816,777.18 = 323,611.80 : x
  2. Step 2: Convert to fraction form
    591,866.52/816,777.18 = 323,611.80/x
  3. Step 3: Cross multiply
    591,866.52x = 816,777.18 × 323,611.80
  4. Step 4: Simplify right side
    591,866.52x = 264,318,733,418.72
  5. Step 5: Solve for x
    x = 264,318,733,418.72/591,866.52
  6. Step 6: Final answer
    x = 446,585.04

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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.