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Finding the Fourth Proportional to 296,903.10, 445,286.35 and 176,993.92

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Solution

The fourth proportional to 296,903.10, 445,286.35 and 176,993.92 is: 265,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,903.10 : 445,286.35 = 176,993.92 : x
  2. Step 2: Convert to fraction form
    296,903.10/445,286.35 = 176,993.92/x
  3. Step 3: Cross multiply
    296,903.10x = 445,286.35 × 176,993.92
  4. Step 4: Simplify right side
    296,903.10x = 78,812,976,608.99
  5. Step 5: Solve for x
    x = 78,812,976,608.99/296,903.10
  6. Step 6: Final answer
    x = 265,450.16

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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.