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Finding the Fourth Proportional to 496,085.60, 744,131.68 and 159,177.44

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Solution

The fourth proportional to 496,085.60, 744,131.68 and 159,177.44 is: 238,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,085.60 : 744,131.68 = 159,177.44 : x
  2. Step 2: Convert to fraction form
    496,085.60/744,131.68 = 159,177.44/x
  3. Step 3: Cross multiply
    496,085.60x = 744,131.68 × 159,177.44
  4. Step 4: Simplify right side
    496,085.60x = 118,448,975,845.30
  5. Step 5: Solve for x
    x = 118,448,975,845.30/496,085.60
  6. Step 6: Final answer
    x = 238,767.21

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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.