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Finding the Fourth Proportional to 449,344.36, 674,085.66 and 168,881.32

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Solution

The fourth proportional to 449,344.36, 674,085.66 and 168,881.32 is: 253,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,344.36 : 674,085.66 = 168,881.32 : x
  2. Step 2: Convert to fraction form
    449,344.36/674,085.66 = 168,881.32/x
  3. Step 3: Cross multiply
    449,344.36x = 674,085.66 × 168,881.32
  4. Step 4: Simplify right side
    449,344.36x = 113,840,476,053.87
  5. Step 5: Solve for x
    x = 113,840,476,053.87/449,344.36
  6. Step 6: Final answer
    x = 253,347.96

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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.