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Finding the Fourth Proportional to 567,709.22, 851,728.20 and 168,359.60

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Solution

The fourth proportional to 567,709.22, 851,728.20 and 168,359.60 is: 252,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,709.22 : 851,728.20 = 168,359.60 : x
  2. Step 2: Convert to fraction form
    567,709.22/851,728.20 = 168,359.60/x
  3. Step 3: Cross multiply
    567,709.22x = 851,728.20 × 168,359.60
  4. Step 4: Simplify right side
    567,709.22x = 143,396,619,060.72
  5. Step 5: Solve for x
    x = 143,396,619,060.72/567,709.22
  6. Step 6: Final answer
    x = 252,588.15

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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.