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Finding the Fourth Proportional to 548,730.70, 823,096.05 and 323,860.30

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Solution

The fourth proportional to 548,730.70, 823,096.05 and 323,860.30 is: 485,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,730.70 : 823,096.05 = 323,860.30 : x
  2. Step 2: Convert to fraction form
    548,730.70/823,096.05 = 323,860.30/x
  3. Step 3: Cross multiply
    548,730.70x = 823,096.05 × 323,860.30
  4. Step 4: Simplify right side
    548,730.70x = 266,568,133,681.82
  5. Step 5: Solve for x
    x = 266,568,133,681.82/548,730.70
  6. Step 6: Final answer
    x = 485,790.45

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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.