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Finding the Fourth Proportional to 362,248.20, 543,372.30 and 229,278.60

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Solution

The fourth proportional to 362,248.20, 543,372.30 and 229,278.60 is: 343,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,248.20 : 543,372.30 = 229,278.60 : x
  2. Step 2: Convert to fraction form
    362,248.20/543,372.30 = 229,278.60/x
  3. Step 3: Cross multiply
    362,248.20x = 543,372.30 × 229,278.60
  4. Step 4: Simplify right side
    362,248.20x = 124,583,640,222.78
  5. Step 5: Solve for x
    x = 124,583,640,222.78/362,248.20
  6. Step 6: Final answer
    x = 343,917.90

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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.