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Finding the Fourth Proportional to 303,373.35, 418,656.42 and 167,411.25

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Solution

The fourth proportional to 303,373.35, 418,656.42 and 167,411.25 is: 231,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,373.35 : 418,656.42 = 167,411.25 : x
  2. Step 2: Convert to fraction form
    303,373.35/418,656.42 = 167,411.25/x
  3. Step 3: Cross multiply
    303,373.35x = 418,656.42 × 167,411.25
  4. Step 4: Simplify right side
    303,373.35x = 70,087,794,592.73
  5. Step 5: Solve for x
    x = 70,087,794,592.73/303,373.35
  6. Step 6: Final answer
    x = 231,028.19

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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.