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Finding the Fourth Proportional to 295,961.40, 443,999.70 and 127,481.40

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Solution

The fourth proportional to 295,961.40, 443,999.70 and 127,481.40 is: 191,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,961.40 : 443,999.70 = 127,481.40 : x
  2. Step 2: Convert to fraction form
    295,961.40/443,999.70 = 127,481.40/x
  3. Step 3: Cross multiply
    295,961.40x = 443,999.70 × 127,481.40
  4. Step 4: Simplify right side
    295,961.40x = 56,601,703,355.58
  5. Step 5: Solve for x
    x = 56,601,703,355.58/295,961.40
  6. Step 6: Final answer
    x = 191,246.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.