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Finding the Fourth Proportional to 567,293.76, 851,191.20 and 300,989.52

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Solution

The fourth proportional to 567,293.76, 851,191.20 and 300,989.52 is: 451,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,293.76 : 851,191.20 = 300,989.52 : x
  2. Step 2: Convert to fraction form
    567,293.76/851,191.20 = 300,989.52/x
  3. Step 3: Cross multiply
    567,293.76x = 851,191.20 × 300,989.52
  4. Step 4: Simplify right side
    567,293.76x = 256,199,630,716.22
  5. Step 5: Solve for x
    x = 256,199,630,716.22/567,293.76
  6. Step 6: Final answer
    x = 451,617.22

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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.