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Finding the Fourth Proportional to 323,710.54, 446,744.19 and 187,790.92

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Solution

The fourth proportional to 323,710.54, 446,744.19 and 187,790.92 is: 259,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,710.54 : 446,744.19 = 187,790.92 : x
  2. Step 2: Convert to fraction form
    323,710.54/446,744.19 = 187,790.92/x
  3. Step 3: Cross multiply
    323,710.54x = 446,744.19 × 187,790.92
  4. Step 4: Simplify right side
    323,710.54x = 83,894,502,444.75
  5. Step 5: Solve for x
    x = 83,894,502,444.75/323,710.54
  6. Step 6: Final answer
    x = 259,165.19

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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.