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Finding the Fourth Proportional to 442,448.48, 663,894.23 and 202,561.92

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Solution

The fourth proportional to 442,448.48, 663,894.23 and 202,561.92 is: 303,944.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,448.48 : 663,894.23 = 202,561.92 : x
  2. Step 2: Convert to fraction form
    442,448.48/663,894.23 = 202,561.92/x
  3. Step 3: Cross multiply
    442,448.48x = 663,894.23 × 202,561.92
  4. Step 4: Simplify right side
    442,448.48x = 134,479,689,905.72
  5. Step 5: Solve for x
    x = 134,479,689,905.72/442,448.48
  6. Step 6: Final answer
    x = 303,944.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.