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Finding the Fourth Proportional to 467,100.18, 644,374.53 and 448,993.62

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Solution

The fourth proportional to 467,100.18, 644,374.53 and 448,993.62 is: 619,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,100.18 : 644,374.53 = 448,993.62 : x
  2. Step 2: Convert to fraction form
    467,100.18/644,374.53 = 448,993.62/x
  3. Step 3: Cross multiply
    467,100.18x = 644,374.53 × 448,993.62
  4. Step 4: Simplify right side
    467,100.18x = 289,320,052,860.50
  5. Step 5: Solve for x
    x = 289,320,052,860.50/467,100.18
  6. Step 6: Final answer
    x = 619,396.15

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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.