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Finding the Fourth Proportional to 466,873.03, 644,276.03 and 285,571.64

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Solution

The fourth proportional to 466,873.03, 644,276.03 and 285,571.64 is: 394,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,873.03 : 644,276.03 = 285,571.64 : x
  2. Step 2: Convert to fraction form
    466,873.03/644,276.03 = 285,571.64/x
  3. Step 3: Cross multiply
    466,873.03x = 644,276.03 × 285,571.64
  4. Step 4: Simplify right side
    466,873.03x = 183,986,962,499.79
  5. Step 5: Solve for x
    x = 183,986,962,499.79/466,873.03
  6. Step 6: Final answer
    x = 394,083.51

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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.