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Finding the Fourth Proportional to 567,790.42, 851,863.28 and 168,433.28

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Solution

The fourth proportional to 567,790.42, 851,863.28 and 168,433.28 is: 252,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,790.42 : 851,863.28 = 168,433.28 : x
  2. Step 2: Convert to fraction form
    567,790.42/851,863.28 = 168,433.28/x
  3. Step 3: Cross multiply
    567,790.42x = 851,863.28 × 168,433.28
  4. Step 4: Simplify right side
    567,790.42x = 143,482,126,361.96
  5. Step 5: Solve for x
    x = 143,482,126,361.96/567,790.42
  6. Step 6: Final answer
    x = 252,702.62

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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.