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Finding the Fourth Proportional to 526,742.92, 790,196.46 and 171,674.56

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Solution

The fourth proportional to 526,742.92, 790,196.46 and 171,674.56 is: 257,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,742.92 : 790,196.46 = 171,674.56 : x
  2. Step 2: Convert to fraction form
    526,742.92/790,196.46 = 171,674.56/x
  3. Step 3: Cross multiply
    526,742.92x = 790,196.46 × 171,674.56
  4. Step 4: Simplify right side
    526,742.92x = 135,656,629,584.06
  5. Step 5: Solve for x
    x = 135,656,629,584.06/526,742.92
  6. Step 6: Final answer
    x = 257,538.59

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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.