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Finding the Fourth Proportional to 296,441.80, 444,720.30 and 127,961.80

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Solution

The fourth proportional to 296,441.80, 444,720.30 and 127,961.80 is: 191,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,441.80 : 444,720.30 = 127,961.80 : x
  2. Step 2: Convert to fraction form
    296,441.80/444,720.30 = 127,961.80/x
  3. Step 3: Cross multiply
    296,441.80x = 444,720.30 × 127,961.80
  4. Step 4: Simplify right side
    296,441.80x = 56,907,210,084.54
  5. Step 5: Solve for x
    x = 56,907,210,084.54/296,441.80
  6. Step 6: Final answer
    x = 191,967.56

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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.