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Finding the Fourth Proportional to 548,822.70, 823,234.05 and 360,473.40

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Solution

The fourth proportional to 548,822.70, 823,234.05 and 360,473.40 is: 540,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,822.70 : 823,234.05 = 360,473.40 : x
  2. Step 2: Convert to fraction form
    548,822.70/823,234.05 = 360,473.40/x
  3. Step 3: Cross multiply
    548,822.70x = 823,234.05 × 360,473.40
  4. Step 4: Simplify right side
    548,822.70x = 296,753,976,999.27
  5. Step 5: Solve for x
    x = 296,753,976,999.27/548,822.70
  6. Step 6: Final answer
    x = 540,710.10

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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.