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Finding the Fourth Proportional to 296,231.72, 444,596.40 and 127,879.20

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Solution

The fourth proportional to 296,231.72, 444,596.40 and 127,879.20 is: 191,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,231.72 : 444,596.40 = 127,879.20 : x
  2. Step 2: Convert to fraction form
    296,231.72/444,596.40 = 127,879.20/x
  3. Step 3: Cross multiply
    296,231.72x = 444,596.40 × 127,879.20
  4. Step 4: Simplify right side
    296,231.72x = 56,854,631,954.88
  5. Step 5: Solve for x
    x = 56,854,631,954.88/296,231.72
  6. Step 6: Final answer
    x = 191,926.22

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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.