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Finding the Fourth Proportional to 303,476.72, 418,797.90 and 167,510.70

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Solution

The fourth proportional to 303,476.72, 418,797.90 and 167,510.70 is: 231,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,476.72 : 418,797.90 = 167,510.70 : x
  2. Step 2: Convert to fraction form
    303,476.72/418,797.90 = 167,510.70/x
  3. Step 3: Cross multiply
    303,476.72x = 418,797.90 × 167,510.70
  4. Step 4: Simplify right side
    303,476.72x = 70,153,129,387.53
  5. Step 5: Solve for x
    x = 70,153,129,387.53/303,476.72
  6. Step 6: Final answer
    x = 231,164.78

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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.