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Finding the Fourth Proportional to 303,554.92, 418,905.90 and 167,588.98

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Solution

The fourth proportional to 303,554.92, 418,905.90 and 167,588.98 is: 231,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,554.92 : 418,905.90 = 167,588.98 : x
  2. Step 2: Convert to fraction form
    303,554.92/418,905.90 = 167,588.98/x
  3. Step 3: Cross multiply
    303,554.92x = 418,905.90 × 167,588.98
  4. Step 4: Simplify right side
    303,554.92x = 70,204,012,496.98
  5. Step 5: Solve for x
    x = 70,204,012,496.98/303,554.92
  6. Step 6: Final answer
    x = 231,272.85

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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.