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Finding the Fourth Proportional to 323,515.01, 446,452.49 and 187,629.50

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Solution

The fourth proportional to 323,515.01, 446,452.49 and 187,629.50 is: 258,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,515.01 : 446,452.49 = 187,629.50 : x
  2. Step 2: Convert to fraction form
    323,515.01/446,452.49 = 187,629.50/x
  3. Step 3: Cross multiply
    323,515.01x = 446,452.49 × 187,629.50
  4. Step 4: Simplify right side
    323,515.01x = 83,767,657,472.46
  5. Step 5: Solve for x
    x = 83,767,657,472.46/323,515.01
  6. Step 6: Final answer
    x = 258,929.74

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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.