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Finding the Fourth Proportional to 498,301.49, 747,571.32 and 161,342.53

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Solution

The fourth proportional to 498,301.49, 747,571.32 and 161,342.53 is: 242,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,301.49 : 747,571.32 = 161,342.53 : x
  2. Step 2: Convert to fraction form
    498,301.49/747,571.32 = 161,342.53/x
  3. Step 3: Cross multiply
    498,301.49x = 747,571.32 × 161,342.53
  4. Step 4: Simplify right side
    498,301.49x = 120,615,043,579.67
  5. Step 5: Solve for x
    x = 120,615,043,579.67/498,301.49
  6. Step 6: Final answer
    x = 242,052.34

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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.