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Finding the Fourth Proportional to 527,650.46, 728,170.94 and 323,813.96

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Solution

The fourth proportional to 527,650.46, 728,170.94 and 323,813.96 is: 446,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,650.46 : 728,170.94 = 323,813.96 : x
  2. Step 2: Convert to fraction form
    527,650.46/728,170.94 = 323,813.96/x
  3. Step 3: Cross multiply
    527,650.46x = 728,170.94 × 323,813.96
  4. Step 4: Simplify right side
    527,650.46x = 235,791,915,638.32
  5. Step 5: Solve for x
    x = 235,791,915,638.32/527,650.46
  6. Step 6: Final answer
    x = 446,871.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.