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Finding the Fourth Proportional to 573,969.60, 859,917.60 and 491,025.60

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Solution

The fourth proportional to 573,969.60, 859,917.60 and 491,025.60 is: 735,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,969.60 : 859,917.60 = 491,025.60 : x
  2. Step 2: Convert to fraction form
    573,969.60/859,917.60 = 491,025.60/x
  3. Step 3: Cross multiply
    573,969.60x = 859,917.60 × 491,025.60
  4. Step 4: Simplify right side
    573,969.60x = 422,241,555,490.56
  5. Step 5: Solve for x
    x = 422,241,555,490.56/573,969.60
  6. Step 6: Final answer
    x = 735,651.43

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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.