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Finding the Fourth Proportional to 323,596.70, 446,551.25 and 187,636.38

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Solution

The fourth proportional to 323,596.70, 446,551.25 and 187,636.38 is: 258,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,596.70 : 446,551.25 = 187,636.38 : x
  2. Step 2: Convert to fraction form
    323,596.70/446,551.25 = 187,636.38/x
  3. Step 3: Cross multiply
    323,596.70x = 446,551.25 × 187,636.38
  4. Step 4: Simplify right side
    323,596.70x = 83,789,259,180.82
  5. Step 5: Solve for x
    x = 83,789,259,180.82/323,596.70
  6. Step 6: Final answer
    x = 258,931.13

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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.