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Finding the Fourth Proportional to 627,529.72, 865,997.74 and 341,049.82

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Solution

The fourth proportional to 627,529.72, 865,997.74 and 341,049.82 is: 470,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,529.72 : 865,997.74 = 341,049.82 : x
  2. Step 2: Convert to fraction form
    627,529.72/865,997.74 = 341,049.82/x
  3. Step 3: Cross multiply
    627,529.72x = 865,997.74 × 341,049.82
  4. Step 4: Simplify right side
    627,529.72x = 295,348,373,347.41
  5. Step 5: Solve for x
    x = 295,348,373,347.41/627,529.72
  6. Step 6: Final answer
    x = 470,652.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.