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Finding the Fourth Proportional to 647,539.70, 971,309.55 and 597,773.30

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Solution

The fourth proportional to 647,539.70, 971,309.55 and 597,773.30 is: 896,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,539.70 : 971,309.55 = 597,773.30 : x
  2. Step 2: Convert to fraction form
    647,539.70/971,309.55 = 597,773.30/x
  3. Step 3: Cross multiply
    647,539.70x = 971,309.55 × 597,773.30
  4. Step 4: Simplify right side
    647,539.70x = 580,622,915,025.02
  5. Step 5: Solve for x
    x = 580,622,915,025.02/647,539.70
  6. Step 6: Final answer
    x = 896,659.95

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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.