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Finding the Fourth Proportional to 544,087.20, 816,519.60 and 228,770.40

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Solution

The fourth proportional to 544,087.20, 816,519.60 and 228,770.40 is: 343,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,087.20 : 816,519.60 = 228,770.40 : x
  2. Step 2: Convert to fraction form
    544,087.20/816,519.60 = 228,770.40/x
  3. Step 3: Cross multiply
    544,087.20x = 816,519.60 × 228,770.40
  4. Step 4: Simplify right side
    544,087.20x = 186,795,515,499.84
  5. Step 5: Solve for x
    x = 186,795,515,499.84/544,087.20
  6. Step 6: Final answer
    x = 343,319.08

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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.