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Finding the Fourth Proportional to 362,635.54, 543,953.20 and 113,317.54

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Solution

The fourth proportional to 362,635.54, 543,953.20 and 113,317.54 is: 169,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,635.54 : 543,953.20 = 113,317.54 : x
  2. Step 2: Convert to fraction form
    362,635.54/543,953.20 = 113,317.54/x
  3. Step 3: Cross multiply
    362,635.54x = 543,953.20 × 113,317.54
  4. Step 4: Simplify right side
    362,635.54x = 61,639,438,499.13
  5. Step 5: Solve for x
    x = 61,639,438,499.13/362,635.54
  6. Step 6: Final answer
    x = 169,976.28

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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.