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Finding the Fourth Proportional to 436,134.60, 653,934 and 169,584.41

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Solution

The fourth proportional to 436,134.60, 653,934 and 169,584.41 is: 254,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,134.60 : 653,934 = 169,584.41 : x
  2. Step 2: Convert to fraction form
    436,134.60/653,934 = 169,584.41/x
  3. Step 3: Cross multiply
    436,134.60x = 653,934 × 169,584.41
  4. Step 4: Simplify right side
    436,134.60x = 110,897,011,568.94
  5. Step 5: Solve for x
    x = 110,897,011,568.94/436,134.60
  6. Step 6: Final answer
    x = 254,272.45

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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.