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Finding the Fourth Proportional to 496,348.86, 744,240.81 and 338,768.22

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Solution

The fourth proportional to 496,348.86, 744,240.81 and 338,768.22 is: 507,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,348.86 : 744,240.81 = 338,768.22 : x
  2. Step 2: Convert to fraction form
    496,348.86/744,240.81 = 338,768.22/x
  3. Step 3: Cross multiply
    496,348.86x = 744,240.81 × 338,768.22
  4. Step 4: Simplify right side
    496,348.86x = 252,125,134,455.06
  5. Step 5: Solve for x
    x = 252,125,134,455.06/496,348.86
  6. Step 6: Final answer
    x = 507,959.53

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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.