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Finding the Fourth Proportional to 595,403, 821,669.10 and 327,131

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Solution

The fourth proportional to 595,403, 821,669.10 and 327,131 is: 451,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,403 : 821,669.10 = 327,131 : x
  2. Step 2: Convert to fraction form
    595,403/821,669.10 = 327,131/x
  3. Step 3: Cross multiply
    595,403x = 821,669.10 × 327,131
  4. Step 4: Simplify right side
    595,403x = 268,793,434,352.10
  5. Step 5: Solve for x
    x = 268,793,434,352.10/595,403
  6. Step 6: Final answer
    x = 451,447.90

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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.