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Finding the Fourth Proportional to 320,222.59, 441,880.59 and 176,982.60

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Solution

The fourth proportional to 320,222.59, 441,880.59 and 176,982.60 is: 244,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,222.59 : 441,880.59 = 176,982.60 : x
  2. Step 2: Convert to fraction form
    320,222.59/441,880.59 = 176,982.60/x
  3. Step 3: Cross multiply
    320,222.59x = 441,880.59 × 176,982.60
  4. Step 4: Simplify right side
    320,222.59x = 78,205,175,707.73
  5. Step 5: Solve for x
    x = 78,205,175,707.73/320,222.59
  6. Step 6: Final answer
    x = 244,221.30

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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.