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Finding the Fourth Proportional to 449,591.40, 673,948.62 and 179,639.01

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Solution

The fourth proportional to 449,591.40, 673,948.62 and 179,639.01 is: 269,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,591.40 : 673,948.62 = 179,639.01 : x
  2. Step 2: Convert to fraction form
    449,591.40/673,948.62 = 179,639.01/x
  3. Step 3: Cross multiply
    449,591.40x = 673,948.62 × 179,639.01
  4. Step 4: Simplify right side
    449,591.40x = 121,067,462,887.67
  5. Step 5: Solve for x
    x = 121,067,462,887.67/449,591.40
  6. Step 6: Final answer
    x = 269,283.32

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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.