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Finding the Fourth Proportional to 323,480.96, 446,405.49 and 187,595.47

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Solution

The fourth proportional to 323,480.96, 446,405.49 and 187,595.47 is: 258,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,480.96 : 446,405.49 = 187,595.47 : x
  2. Step 2: Convert to fraction form
    323,480.96/446,405.49 = 187,595.47/x
  3. Step 3: Cross multiply
    323,480.96x = 446,405.49 × 187,595.47
  4. Step 4: Simplify right side
    323,480.96x = 83,743,644,537.13
  5. Step 5: Solve for x
    x = 83,743,644,537.13/323,480.96
  6. Step 6: Final answer
    x = 258,882.77

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1.5x scale

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.