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Finding the Fourth Proportional to 483,273.68, 724,999.75 and 159,080.09

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Solution

The fourth proportional to 483,273.68, 724,999.75 and 159,080.09 is: 238,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,273.68 : 724,999.75 = 159,080.09 : x
  2. Step 2: Convert to fraction form
    483,273.68/724,999.75 = 159,080.09/x
  3. Step 3: Cross multiply
    483,273.68x = 724,999.75 × 159,080.09
  4. Step 4: Simplify right side
    483,273.68x = 115,333,025,479.98
  5. Step 5: Solve for x
    x = 115,333,025,479.98/483,273.68
  6. Step 6: Final answer
    x = 238,649.51

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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.