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Finding the Fourth Proportional to 532,588.72, 734,874.96 and 303,132.40

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Solution

The fourth proportional to 532,588.72, 734,874.96 and 303,132.40 is: 418,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,588.72 : 734,874.96 = 303,132.40 : x
  2. Step 2: Convert to fraction form
    532,588.72/734,874.96 = 303,132.40/x
  3. Step 3: Cross multiply
    532,588.72x = 734,874.96 × 303,132.40
  4. Step 4: Simplify right side
    532,588.72x = 222,764,410,324.70
  5. Step 5: Solve for x
    x = 222,764,410,324.70/532,588.72
  6. Step 6: Final answer
    x = 418,267.23

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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.