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Finding the Fourth Proportional to 722,474.64, 997,497.18 and 450,651.60

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Solution

The fourth proportional to 722,474.64, 997,497.18 and 450,651.60 is: 622,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,474.64 : 997,497.18 = 450,651.60 : x
  2. Step 2: Convert to fraction form
    722,474.64/997,497.18 = 450,651.60/x
  3. Step 3: Cross multiply
    722,474.64x = 997,497.18 × 450,651.60
  4. Step 4: Simplify right side
    722,474.64x = 449,523,700,162.49
  5. Step 5: Solve for x
    x = 449,523,700,162.49/722,474.64
  6. Step 6: Final answer
    x = 622,199.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.