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Finding the Fourth Proportional to 303,503.57, 418,858.11 and 167,563.70

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Solution

The fourth proportional to 303,503.57, 418,858.11 and 167,563.70 is: 231,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,503.57 : 418,858.11 = 167,563.70 : x
  2. Step 2: Convert to fraction form
    303,503.57/418,858.11 = 167,563.70/x
  3. Step 3: Cross multiply
    303,503.57x = 418,858.11 × 167,563.70
  4. Step 4: Simplify right side
    303,503.57x = 70,185,412,592.32
  5. Step 5: Solve for x
    x = 70,185,412,592.32/303,503.57
  6. Step 6: Final answer
    x = 231,250.70

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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.