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Finding the Fourth Proportional to 436,195.04, 654,024.60 and 169,644.86

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Solution

The fourth proportional to 436,195.04, 654,024.60 and 169,644.86 is: 254,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,195.04 : 654,024.60 = 169,644.86 : x
  2. Step 2: Convert to fraction form
    436,195.04/654,024.60 = 169,644.86/x
  3. Step 3: Cross multiply
    436,195.04x = 654,024.60 × 169,644.86
  4. Step 4: Simplify right side
    436,195.04x = 110,951,911,703.56
  5. Step 5: Solve for x
    x = 110,951,911,703.56/436,195.04
  6. Step 6: Final answer
    x = 254,363.08

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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.