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Finding the Fourth Proportional to 665,560.40, 996,936.60 and 441,028.40

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Solution

The fourth proportional to 665,560.40, 996,936.60 and 441,028.40 is: 660,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,560.40 : 996,936.60 = 441,028.40 : x
  2. Step 2: Convert to fraction form
    665,560.40/996,936.60 = 441,028.40/x
  3. Step 3: Cross multiply
    665,560.40x = 996,936.60 × 441,028.40
  4. Step 4: Simplify right side
    665,560.40x = 439,677,353,599.44
  5. Step 5: Solve for x
    x = 439,677,353,599.44/665,560.40
  6. Step 6: Final answer
    x = 660,612.25

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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.