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Finding the Fourth Proportional to 526,753.92, 790,212.96 and 171,685.56

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Solution

The fourth proportional to 526,753.92, 790,212.96 and 171,685.56 is: 257,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,753.92 : 790,212.96 = 171,685.56 : x
  2. Step 2: Convert to fraction form
    526,753.92/790,212.96 = 171,685.56/x
  3. Step 3: Cross multiply
    526,753.92x = 790,212.96 × 171,685.56
  4. Step 4: Simplify right side
    526,753.92x = 135,668,154,556.86
  5. Step 5: Solve for x
    x = 135,668,154,556.86/526,753.92
  6. Step 6: Final answer
    x = 257,555.09

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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.