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Finding the Fourth Proportional to 436,237.17, 654,229.31 and 169,938.33

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Solution

The fourth proportional to 436,237.17, 654,229.31 and 169,938.33 is: 254,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,237.17 : 654,229.31 = 169,938.33 : x
  2. Step 2: Convert to fraction form
    436,237.17/654,229.31 = 169,938.33/x
  3. Step 3: Cross multiply
    436,237.17x = 654,229.31 × 169,938.33
  4. Step 4: Simplify right side
    436,237.17x = 111,178,635,528.76
  5. Step 5: Solve for x
    x = 111,178,635,528.76/436,237.17
  6. Step 6: Final answer
    x = 254,858.24

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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.