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Finding the Fourth Proportional to 313,788, 433,027.44 and 179,677.92

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Solution

The fourth proportional to 313,788, 433,027.44 and 179,677.92 is: 247,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,788 : 433,027.44 = 179,677.92 : x
  2. Step 2: Convert to fraction form
    313,788/433,027.44 = 179,677.92/x
  3. Step 3: Cross multiply
    313,788x = 433,027.44 × 179,677.92
  4. Step 4: Simplify right side
    313,788x = 77,805,469,722.12
  5. Step 5: Solve for x
    x = 77,805,469,722.12/313,788
  6. Step 6: Final answer
    x = 247,955.53

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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.