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Finding the Fourth Proportional to 332,621.73, 499,129.43 and 122,407.29

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Solution

The fourth proportional to 332,621.73, 499,129.43 and 122,407.29 is: 183,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,621.73 : 499,129.43 = 122,407.29 : x
  2. Step 2: Convert to fraction form
    332,621.73/499,129.43 = 122,407.29/x
  3. Step 3: Cross multiply
    332,621.73x = 499,129.43 × 122,407.29
  4. Step 4: Simplify right side
    332,621.73x = 61,097,080,273.51
  5. Step 5: Solve for x
    x = 61,097,080,273.51/332,621.73
  6. Step 6: Final answer
    x = 183,683.37

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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.