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Finding the Fourth Proportional to 576,635.76, 864,977.28 and 197,817.04

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Solution

The fourth proportional to 576,635.76, 864,977.28 and 197,817.04 is: 296,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,635.76 : 864,977.28 = 197,817.04 : x
  2. Step 2: Convert to fraction form
    576,635.76/864,977.28 = 197,817.04/x
  3. Step 3: Cross multiply
    576,635.76x = 864,977.28 × 197,817.04
  4. Step 4: Simplify right side
    576,635.76x = 171,107,245,196.85
  5. Step 5: Solve for x
    x = 171,107,245,196.85/576,635.76
  6. Step 6: Final answer
    x = 296,733.67

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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.