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Finding the Fourth Proportional to 550,511.70, 825,767.55 and 362,162.40

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Solution

The fourth proportional to 550,511.70, 825,767.55 and 362,162.40 is: 543,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,511.70 : 825,767.55 = 362,162.40 : x
  2. Step 2: Convert to fraction form
    550,511.70/825,767.55 = 362,162.40/x
  3. Step 3: Cross multiply
    550,511.70x = 825,767.55 × 362,162.40
  4. Step 4: Simplify right side
    550,511.70x = 299,061,957,750.12
  5. Step 5: Solve for x
    x = 299,061,957,750.12/550,511.70
  6. Step 6: Final answer
    x = 543,243.60

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Similar ratio
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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.