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Finding the Fourth Proportional to 496,018.62, 744,332.50 and 394,214.44

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Solution

The fourth proportional to 496,018.62, 744,332.50 and 394,214.44 is: 591,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,018.62 : 744,332.50 = 394,214.44 : x
  2. Step 2: Convert to fraction form
    496,018.62/744,332.50 = 394,214.44/x
  3. Step 3: Cross multiply
    496,018.62x = 744,332.50 × 394,214.44
  4. Step 4: Simplify right side
    496,018.62x = 293,426,619,661.30
  5. Step 5: Solve for x
    x = 293,426,619,661.30/496,018.62
  6. Step 6: Final answer
    x = 591,563.72

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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.