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Finding the Fourth Proportional to 548,823.20, 823,234.80 and 360,473.90

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Solution

The fourth proportional to 548,823.20, 823,234.80 and 360,473.90 is: 540,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,823.20 : 823,234.80 = 360,473.90 : x
  2. Step 2: Convert to fraction form
    548,823.20/823,234.80 = 360,473.90/x
  3. Step 3: Cross multiply
    548,823.20x = 823,234.80 × 360,473.90
  4. Step 4: Simplify right side
    548,823.20x = 296,754,658,971.72
  5. Step 5: Solve for x
    x = 296,754,658,971.72/548,823.20
  6. Step 6: Final answer
    x = 540,710.85

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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.