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Finding the Fourth Proportional to 296,083.74, 444,121.50 and 71,442.30

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Solution

The fourth proportional to 296,083.74, 444,121.50 and 71,442.30 is: 107,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,083.74 : 444,121.50 = 71,442.30 : x
  2. Step 2: Convert to fraction form
    296,083.74/444,121.50 = 71,442.30/x
  3. Step 3: Cross multiply
    296,083.74x = 444,121.50 × 71,442.30
  4. Step 4: Simplify right side
    296,083.74x = 31,729,061,439.45
  5. Step 5: Solve for x
    x = 31,729,061,439.45/296,083.74
  6. Step 6: Final answer
    x = 107,162.46

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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.