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Finding the Fourth Proportional to 548,800.47, 823,200.71 and 361,768.23

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Solution

The fourth proportional to 548,800.47, 823,200.71 and 361,768.23 is: 542,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,800.47 : 823,200.71 = 361,768.23 : x
  2. Step 2: Convert to fraction form
    548,800.47/823,200.71 = 361,768.23/x
  3. Step 3: Cross multiply
    548,800.47x = 823,200.71 × 361,768.23
  4. Step 4: Simplify right side
    548,800.47x = 297,807,861,982.60
  5. Step 5: Solve for x
    x = 297,807,861,982.60/548,800.47
  6. Step 6: Final answer
    x = 542,652.35

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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.