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Finding the Fourth Proportional to 431,840.06, 595,940.19 and 240,848.54

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Solution

The fourth proportional to 431,840.06, 595,940.19 and 240,848.54 is: 332,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,840.06 : 595,940.19 = 240,848.54 : x
  2. Step 2: Convert to fraction form
    431,840.06/595,940.19 = 240,848.54/x
  3. Step 3: Cross multiply
    431,840.06x = 595,940.19 × 240,848.54
  4. Step 4: Simplify right side
    431,840.06x = 143,531,324,688.82
  5. Step 5: Solve for x
    x = 143,531,324,688.82/431,840.06
  6. Step 6: Final answer
    x = 332,371.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.