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Finding the Fourth Proportional to 492,790.40, 739,185.60 and 335,326.40

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Solution

The fourth proportional to 492,790.40, 739,185.60 and 335,326.40 is: 502,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,790.40 : 739,185.60 = 335,326.40 : x
  2. Step 2: Convert to fraction form
    492,790.40/739,185.60 = 335,326.40/x
  3. Step 3: Cross multiply
    492,790.40x = 739,185.60 × 335,326.40
  4. Step 4: Simplify right side
    492,790.40x = 247,868,446,179.84
  5. Step 5: Solve for x
    x = 247,868,446,179.84/492,790.40
  6. Step 6: Final answer
    x = 502,989.60

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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.