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Finding the Fourth Proportional to 344,994.27, 517,327.52 and 120,327.41

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Solution

The fourth proportional to 344,994.27, 517,327.52 and 120,327.41 is: 180,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,994.27 : 517,327.52 = 120,327.41 : x
  2. Step 2: Convert to fraction form
    344,994.27/517,327.52 = 120,327.41/x
  3. Step 3: Cross multiply
    344,994.27x = 517,327.52 × 120,327.41
  4. Step 4: Simplify right side
    344,994.27x = 62,248,677,415.05
  5. Step 5: Solve for x
    x = 62,248,677,415.05/344,994.27
  6. Step 6: Final answer
    x = 180,433.95

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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.