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Finding the Fourth Proportional to 526,903.44, 790,437.17 and 171,834.67

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Solution

The fourth proportional to 526,903.44, 790,437.17 and 171,834.67 is: 257,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,903.44 : 790,437.17 = 171,834.67 : x
  2. Step 2: Convert to fraction form
    526,903.44/790,437.17 = 171,834.67/x
  3. Step 3: Cross multiply
    526,903.44x = 790,437.17 × 171,834.67
  4. Step 4: Simplify right side
    526,903.44x = 135,824,510,262.68
  5. Step 5: Solve for x
    x = 135,824,510,262.68/526,903.44
  6. Step 6: Final answer
    x = 257,778.75

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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.