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Finding the Fourth Proportional to 362,503.40, 543,755.10 and 304,766.60

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Solution

The fourth proportional to 362,503.40, 543,755.10 and 304,766.60 is: 457,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,503.40 : 543,755.10 = 304,766.60 : x
  2. Step 2: Convert to fraction form
    362,503.40/543,755.10 = 304,766.60/x
  3. Step 3: Cross multiply
    362,503.40x = 543,755.10 × 304,766.60
  4. Step 4: Simplify right side
    362,503.40x = 165,718,393,059.66
  5. Step 5: Solve for x
    x = 165,718,393,059.66/362,503.40
  6. Step 6: Final answer
    x = 457,149.90

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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.