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Finding the Fourth Proportional to 332,483.80, 458,828.16 and 189,243.84

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Solution

The fourth proportional to 332,483.80, 458,828.16 and 189,243.84 is: 261,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,483.80 : 458,828.16 = 189,243.84 : x
  2. Step 2: Convert to fraction form
    332,483.80/458,828.16 = 189,243.84/x
  3. Step 3: Cross multiply
    332,483.80x = 458,828.16 × 189,243.84
  4. Step 4: Simplify right side
    332,483.80x = 86,830,404,175.60
  5. Step 5: Solve for x
    x = 86,830,404,175.60/332,483.80
  6. Step 6: Final answer
    x = 261,156.80

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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.