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Finding the Fourth Proportional to 296,456.71, 444,686.20 and 71,816.73

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Solution

The fourth proportional to 296,456.71, 444,686.20 and 71,816.73 is: 107,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,456.71 : 444,686.20 = 71,816.73 : x
  2. Step 2: Convert to fraction form
    296,456.71/444,686.20 = 71,816.73/x
  3. Step 3: Cross multiply
    296,456.71x = 444,686.20 × 71,816.73
  4. Step 4: Simplify right side
    296,456.71x = 31,935,907,316.98
  5. Step 5: Solve for x
    x = 31,935,907,316.98/296,456.71
  6. Step 6: Final answer
    x = 107,725.37

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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.