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Finding the Fourth Proportional to 296,457.71, 444,687.70 and 71,817.73

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Solution

The fourth proportional to 296,457.71, 444,687.70 and 71,817.73 is: 107,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,457.71 : 444,687.70 = 71,817.73 : x
  2. Step 2: Convert to fraction form
    296,457.71/444,687.70 = 71,817.73/x
  3. Step 3: Cross multiply
    296,457.71x = 444,687.70 × 71,817.73
  4. Step 4: Simplify right side
    296,457.71x = 31,936,461,172.92
  5. Step 5: Solve for x
    x = 31,936,461,172.92/296,457.71
  6. Step 6: Final answer
    x = 107,726.87

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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.