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Finding the Fourth Proportional to 449,833.68, 674,861.22 and 316,973.43

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Solution

The fourth proportional to 449,833.68, 674,861.22 and 316,973.43 is: 475,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,833.68 : 674,861.22 = 316,973.43 : x
  2. Step 2: Convert to fraction form
    449,833.68/674,861.22 = 316,973.43/x
  3. Step 3: Cross multiply
    449,833.68x = 674,861.22 × 316,973.43
  4. Step 4: Simplify right side
    449,833.68x = 213,913,075,677.39
  5. Step 5: Solve for x
    x = 213,913,075,677.39/449,833.68
  6. Step 6: Final answer
    x = 475,538.15

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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.