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Finding the Fourth Proportional to 550,511.20, 825,766.80 and 466,530.40

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Solution

The fourth proportional to 550,511.20, 825,766.80 and 466,530.40 is: 699,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,511.20 : 825,766.80 = 466,530.40 : x
  2. Step 2: Convert to fraction form
    550,511.20/825,766.80 = 466,530.40/x
  3. Step 3: Cross multiply
    550,511.20x = 825,766.80 × 466,530.40
  4. Step 4: Simplify right side
    550,511.20x = 385,245,315,510.72
  5. Step 5: Solve for x
    x = 385,245,315,510.72/550,511.20
  6. Step 6: Final answer
    x = 699,795.60

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1.5x scale

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.