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Finding the Fourth Proportional to 323,657.69, 446,439.17 and 214,759.67

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Solution

The fourth proportional to 323,657.69, 446,439.17 and 214,759.67 is: 296,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,657.69 : 446,439.17 = 214,759.67 : x
  2. Step 2: Convert to fraction form
    323,657.69/446,439.17 = 214,759.67/x
  3. Step 3: Cross multiply
    323,657.69x = 446,439.17 × 214,759.67
  4. Step 4: Simplify right side
    323,657.69x = 95,877,125,518.28
  5. Step 5: Solve for x
    x = 95,877,125,518.28/323,657.69
  6. Step 6: Final answer
    x = 296,230.03

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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.