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Finding the Fourth Proportional to 303,494.69, 418,822.76 and 167,528.73

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Solution

The fourth proportional to 303,494.69, 418,822.76 and 167,528.73 is: 231,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,494.69 : 418,822.76 = 167,528.73 : x
  2. Step 2: Convert to fraction form
    303,494.69/418,822.76 = 167,528.73/x
  3. Step 3: Cross multiply
    303,494.69x = 418,822.76 × 167,528.73
  4. Step 4: Simplify right side
    303,494.69x = 70,164,842,983.78
  5. Step 5: Solve for x
    x = 70,164,842,983.78/303,494.69
  6. Step 6: Final answer
    x = 231,189.69

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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.