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Finding the Fourth Proportional to 323,599.80, 446,530.82 and 187,605.39

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Solution

The fourth proportional to 323,599.80, 446,530.82 and 187,605.39 is: 258,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,599.80 : 446,530.82 = 187,605.39 : x
  2. Step 2: Convert to fraction form
    323,599.80/446,530.82 = 187,605.39/x
  3. Step 3: Cross multiply
    323,599.80x = 446,530.82 × 187,605.39
  4. Step 4: Simplify right side
    323,599.80x = 83,771,587,695.09
  5. Step 5: Solve for x
    x = 83,771,587,695.09/323,599.80
  6. Step 6: Final answer
    x = 258,874.04

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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.