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Finding the Fourth Proportional to 499,382.44, 749,070.78 and 166,955.56

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Solution

The fourth proportional to 499,382.44, 749,070.78 and 166,955.56 is: 250,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,382.44 : 749,070.78 = 166,955.56 : x
  2. Step 2: Convert to fraction form
    499,382.44/749,070.78 = 166,955.56/x
  3. Step 3: Cross multiply
    499,382.44x = 749,070.78 × 166,955.56
  4. Step 4: Simplify right side
    499,382.44x = 125,061,531,554.54
  5. Step 5: Solve for x
    x = 125,061,531,554.54/499,382.44
  6. Step 6: Final answer
    x = 250,432.38

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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.