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Finding the Fourth Proportional to 492,774.40, 739,161.60 and 335,310.40

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Solution

The fourth proportional to 492,774.40, 739,161.60 and 335,310.40 is: 502,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,774.40 : 739,161.60 = 335,310.40 : x
  2. Step 2: Convert to fraction form
    492,774.40/739,161.60 = 335,310.40/x
  3. Step 3: Cross multiply
    492,774.40x = 739,161.60 × 335,310.40
  4. Step 4: Simplify right side
    492,774.40x = 247,848,571,760.64
  5. Step 5: Solve for x
    x = 247,848,571,760.64/492,774.40
  6. Step 6: Final answer
    x = 502,965.60

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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.