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Finding the Fourth Proportional to 567,861.90, 851,792.85 and 168,564.30

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Solution

The fourth proportional to 567,861.90, 851,792.85 and 168,564.30 is: 252,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,861.90 : 851,792.85 = 168,564.30 : x
  2. Step 2: Convert to fraction form
    567,861.90/851,792.85 = 168,564.30/x
  3. Step 3: Cross multiply
    567,861.90x = 851,792.85 × 168,564.30
  4. Step 4: Simplify right side
    567,861.90x = 143,581,865,505.26
  5. Step 5: Solve for x
    x = 143,581,865,505.26/567,861.90
  6. Step 6: Final answer
    x = 252,846.45

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Similar ratio
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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.