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Finding the Fourth Proportional to 362,321.10, 543,481.65 and 228,768.30

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Solution

The fourth proportional to 362,321.10, 543,481.65 and 228,768.30 is: 343,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,321.10 : 543,481.65 = 228,768.30 : x
  2. Step 2: Convert to fraction form
    362,321.10/543,481.65 = 228,768.30/x
  3. Step 3: Cross multiply
    362,321.10x = 543,481.65 × 228,768.30
  4. Step 4: Simplify right side
    362,321.10x = 124,331,373,151.70
  5. Step 5: Solve for x
    x = 124,331,373,151.70/362,321.10
  6. Step 6: Final answer
    x = 343,152.45

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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.