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Finding the Fourth Proportional to 496,349.61, 744,241.94 and 338,768.97

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Solution

The fourth proportional to 496,349.61, 744,241.94 and 338,768.97 is: 507,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,349.61 : 744,241.94 = 338,768.97 : x
  2. Step 2: Convert to fraction form
    496,349.61/744,241.94 = 338,768.97/x
  3. Step 3: Cross multiply
    496,349.61x = 744,241.94 × 338,768.97
  4. Step 4: Simplify right side
    496,349.61x = 252,126,073,750.76
  5. Step 5: Solve for x
    x = 252,126,073,750.76/496,349.61
  6. Step 6: Final answer
    x = 507,960.66

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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.