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Finding the Fourth Proportional to 323,471.23, 446,392.13 and 187,585.86

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Solution

The fourth proportional to 323,471.23, 446,392.13 and 187,585.86 is: 258,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,471.23 : 446,392.13 = 187,585.86 : x
  2. Step 2: Convert to fraction form
    323,471.23/446,392.13 = 187,585.86/x
  3. Step 3: Cross multiply
    323,471.23x = 446,392.13 × 187,585.86
  4. Step 4: Simplify right side
    323,471.23x = 83,736,850,355.95
  5. Step 5: Solve for x
    x = 83,736,850,355.95/323,471.23
  6. Step 6: Final answer
    x = 258,869.55

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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.