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Finding the Fourth Proportional to 567,660.59, 851,490.86 and 389,627.85

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Solution

The fourth proportional to 567,660.59, 851,490.86 and 389,627.85 is: 584,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,660.59 : 851,490.86 = 389,627.85 : x
  2. Step 2: Convert to fraction form
    567,660.59/851,490.86 = 389,627.85/x
  3. Step 3: Cross multiply
    567,660.59x = 851,490.86 × 389,627.85
  4. Step 4: Simplify right side
    567,660.59x = 331,764,551,128.31
  5. Step 5: Solve for x
    x = 331,764,551,128.31/567,660.59
  6. Step 6: Final answer
    x = 584,441.76

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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.