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Finding the Fourth Proportional to 323,730.92, 446,781.32 and 187,806.44

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Solution

The fourth proportional to 323,730.92, 446,781.32 and 187,806.44 is: 259,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,730.92 : 446,781.32 = 187,806.44 : x
  2. Step 2: Convert to fraction form
    323,730.92/446,781.32 = 187,806.44/x
  3. Step 3: Cross multiply
    323,730.92x = 446,781.32 × 187,806.44
  4. Step 4: Simplify right side
    323,730.92x = 83,908,409,167.70
  5. Step 5: Solve for x
    x = 83,908,409,167.70/323,730.92
  6. Step 6: Final answer
    x = 259,191.83

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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.