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Finding the Fourth Proportional to 362,305.88, 543,458.85 and 112,987.88

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Solution

The fourth proportional to 362,305.88, 543,458.85 and 112,987.88 is: 169,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,305.88 : 543,458.85 = 112,987.88 : x
  2. Step 2: Convert to fraction form
    362,305.88/543,458.85 = 112,987.88/x
  3. Step 3: Cross multiply
    362,305.88x = 543,458.85 × 112,987.88
  4. Step 4: Simplify right side
    362,305.88x = 61,404,263,769.29
  5. Step 5: Solve for x
    x = 61,404,263,769.29/362,305.88
  6. Step 6: Final answer
    x = 169,481.83

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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.