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Finding the Fourth Proportional to 548,843.70, 823,265.55 and 360,494.40

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Solution

The fourth proportional to 548,843.70, 823,265.55 and 360,494.40 is: 540,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,843.70 : 823,265.55 = 360,494.40 : x
  2. Step 2: Convert to fraction form
    548,843.70/823,265.55 = 360,494.40/x
  3. Step 3: Cross multiply
    548,843.70x = 823,265.55 × 360,494.40
  4. Step 4: Simplify right side
    548,843.70x = 296,782,620,487.92
  5. Step 5: Solve for x
    x = 296,782,620,487.92/548,843.70
  6. Step 6: Final answer
    x = 540,741.60

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Double scale
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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.