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Finding the Fourth Proportional to 532,591.44, 734,981.16 and 303,137.46

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Solution

The fourth proportional to 532,591.44, 734,981.16 and 303,137.46 is: 418,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,591.44 : 734,981.16 = 303,137.46 : x
  2. Step 2: Convert to fraction form
    532,591.44/734,981.16 = 303,137.46/x
  3. Step 3: Cross multiply
    532,591.44x = 734,981.16 × 303,137.46
  4. Step 4: Simplify right side
    532,591.44x = 222,800,321,990.25
  5. Step 5: Solve for x
    x = 222,800,321,990.25/532,591.44
  6. Step 6: Final answer
    x = 418,332.53

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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.