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Finding the Fourth Proportional to 545,960.20, 818,745.90 and 246,584.20

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Solution

The fourth proportional to 545,960.20, 818,745.90 and 246,584.20 is: 369,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,960.20 : 818,745.90 = 246,584.20 : x
  2. Step 2: Convert to fraction form
    545,960.20/818,745.90 = 246,584.20/x
  3. Step 3: Cross multiply
    545,960.20x = 818,745.90 × 246,584.20
  4. Step 4: Simplify right side
    545,960.20x = 201,889,802,754.78
  5. Step 5: Solve for x
    x = 201,889,802,754.78/545,960.20
  6. Step 6: Final answer
    x = 369,788.50

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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.