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Finding the Fourth Proportional to 550,375.20, 825,562.80 and 466,394.40

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Solution

The fourth proportional to 550,375.20, 825,562.80 and 466,394.40 is: 699,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,375.20 : 825,562.80 = 466,394.40 : x
  2. Step 2: Convert to fraction form
    550,375.20/825,562.80 = 466,394.40/x
  3. Step 3: Cross multiply
    550,375.20x = 825,562.80 × 466,394.40
  4. Step 4: Simplify right side
    550,375.20x = 385,037,866,768.32
  5. Step 5: Solve for x
    x = 385,037,866,768.32/550,375.20
  6. Step 6: Final answer
    x = 699,591.60

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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.