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Finding the Fourth Proportional to 297,965.28, 411,279.28 and 177,191.68

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Solution

The fourth proportional to 297,965.28, 411,279.28 and 177,191.68 is: 244,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,965.28 : 411,279.28 = 177,191.68 : x
  2. Step 2: Convert to fraction form
    297,965.28/411,279.28 = 177,191.68/x
  3. Step 3: Cross multiply
    297,965.28x = 411,279.28 × 177,191.68
  4. Step 4: Simplify right side
    297,965.28x = 72,875,266,572.39
  5. Step 5: Solve for x
    x = 72,875,266,572.39/297,965.28
  6. Step 6: Final answer
    x = 244,576.37

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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.