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Finding the Fourth Proportional to 253,016.26, 379,511.42 and 75,524.74

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Solution

The fourth proportional to 253,016.26, 379,511.42 and 75,524.74 is: 113,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,016.26 : 379,511.42 = 75,524.74 : x
  2. Step 2: Convert to fraction form
    253,016.26/379,511.42 = 75,524.74/x
  3. Step 3: Cross multiply
    253,016.26x = 379,511.42 × 75,524.74
  4. Step 4: Simplify right side
    253,016.26x = 28,662,501,322.53
  5. Step 5: Solve for x
    x = 28,662,501,322.53/253,016.26
  6. Step 6: Final answer
    x = 113,283.24

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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.