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Finding the Fourth Proportional to 303,377.34, 418,660.44 and 167,411.28

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Solution

The fourth proportional to 303,377.34, 418,660.44 and 167,411.28 is: 231,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,377.34 : 418,660.44 = 167,411.28 : x
  2. Step 2: Convert to fraction form
    303,377.34/418,660.44 = 167,411.28/x
  3. Step 3: Cross multiply
    303,377.34x = 418,660.44 × 167,411.28
  4. Step 4: Simplify right side
    303,377.34x = 70,088,480,145.76
  5. Step 5: Solve for x
    x = 70,088,480,145.76/303,377.34
  6. Step 6: Final answer
    x = 231,027.41

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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.