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Finding the Fourth Proportional to 303,530.88, 418,876.02 and 167,564.92

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Solution

The fourth proportional to 303,530.88, 418,876.02 and 167,564.92 is: 231,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,530.88 : 418,876.02 = 167,564.92 : x
  2. Step 2: Convert to fraction form
    303,530.88/418,876.02 = 167,564.92/x
  3. Step 3: Cross multiply
    303,530.88x = 418,876.02 × 167,564.92
  4. Step 4: Simplify right side
    303,530.88x = 70,188,926,781.22
  5. Step 5: Solve for x
    x = 70,188,926,781.22/303,530.88
  6. Step 6: Final answer
    x = 231,241.47

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1.5x scale

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.