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Finding the Fourth Proportional to 595,361.95, 821,605.17 and 323,431.89

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Solution

The fourth proportional to 595,361.95, 821,605.17 and 323,431.89 is: 446,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,361.95 : 821,605.17 = 323,431.89 : x
  2. Step 2: Convert to fraction form
    595,361.95/821,605.17 = 323,431.89/x
  3. Step 3: Cross multiply
    595,361.95x = 821,605.17 × 323,431.89
  4. Step 4: Simplify right side
    595,361.95x = 265,733,311,098.72
  5. Step 5: Solve for x
    x = 265,733,311,098.72/595,361.95
  6. Step 6: Final answer
    x = 446,339.09

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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.