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Finding the Fourth Proportional to 532,400.98, 734,777.78 and 303,014.04

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Solution

The fourth proportional to 532,400.98, 734,777.78 and 303,014.04 is: 418,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,400.98 : 734,777.78 = 303,014.04 : x
  2. Step 2: Convert to fraction form
    532,400.98/734,777.78 = 303,014.04/x
  3. Step 3: Cross multiply
    532,400.98x = 734,777.78 × 303,014.04
  4. Step 4: Simplify right side
    532,400.98x = 222,647,983,620.03
  5. Step 5: Solve for x
    x = 222,647,983,620.03/532,400.98
  6. Step 6: Final answer
    x = 418,196.04

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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.