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Finding the Fourth Proportional to 362,122.30, 543,183.45 and 228,277.90

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Solution

The fourth proportional to 362,122.30, 543,183.45 and 228,277.90 is: 342,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,122.30 : 543,183.45 = 228,277.90 : x
  2. Step 2: Convert to fraction form
    362,122.30/543,183.45 = 228,277.90/x
  3. Step 3: Cross multiply
    362,122.30x = 543,183.45 × 228,277.90
  4. Step 4: Simplify right side
    362,122.30x = 123,996,777,280.76
  5. Step 5: Solve for x
    x = 123,996,777,280.76/362,122.30
  6. Step 6: Final answer
    x = 342,416.85

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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.