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Finding the Fourth Proportional to 339,552, 468,596.34 and 188,649

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Solution

The fourth proportional to 339,552, 468,596.34 and 188,649 is: 260,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,552 : 468,596.34 = 188,649 : x
  2. Step 2: Convert to fraction form
    339,552/468,596.34 = 188,649/x
  3. Step 3: Cross multiply
    339,552x = 468,596.34 × 188,649
  4. Step 4: Simplify right side
    339,552x = 88,400,230,944.66
  5. Step 5: Solve for x
    x = 88,400,230,944.66/339,552
  6. Step 6: Final answer
    x = 260,343.72

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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.