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Finding the Fourth Proportional to 492,278.37, 739,958.93 and 324,874.45

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Solution

The fourth proportional to 492,278.37, 739,958.93 and 324,874.45 is: 488,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,278.37 : 739,958.93 = 324,874.45 : x
  2. Step 2: Convert to fraction form
    492,278.37/739,958.93 = 324,874.45/x
  3. Step 3: Cross multiply
    492,278.37x = 739,958.93 × 324,874.45
  4. Step 4: Simplify right side
    492,278.37x = 240,393,752,159.34
  5. Step 5: Solve for x
    x = 240,393,752,159.34/492,278.37
  6. Step 6: Final answer
    x = 488,328.90

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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.