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Finding the Fourth Proportional to 496,402.53, 744,480.77 and 141,419.62

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Solution

The fourth proportional to 496,402.53, 744,480.77 and 141,419.62 is: 212,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,402.53 : 744,480.77 = 141,419.62 : x
  2. Step 2: Convert to fraction form
    496,402.53/744,480.77 = 141,419.62/x
  3. Step 3: Cross multiply
    496,402.53x = 744,480.77 × 141,419.62
  4. Step 4: Simplify right side
    496,402.53x = 105,284,188,609.70
  5. Step 5: Solve for x
    x = 105,284,188,609.70/496,402.53
  6. Step 6: Final answer
    x = 212,094.39

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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.