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Finding the Fourth Proportional to 338,735.54, 467,421.36 and 195,541.72

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Solution

The fourth proportional to 338,735.54, 467,421.36 and 195,541.72 is: 269,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,735.54 : 467,421.36 = 195,541.72 : x
  2. Step 2: Convert to fraction form
    338,735.54/467,421.36 = 195,541.72/x
  3. Step 3: Cross multiply
    338,735.54x = 467,421.36 × 195,541.72
  4. Step 4: Simplify right side
    338,735.54x = 91,400,376,699.14
  5. Step 5: Solve for x
    x = 91,400,376,699.14/338,735.54
  6. Step 6: Final answer
    x = 269,828.13

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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.