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Finding the Fourth Proportional to 328,073.20, 452,741 and 177,170.20

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Solution

The fourth proportional to 328,073.20, 452,741 and 177,170.20 is: 244,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,073.20 : 452,741 = 177,170.20 : x
  2. Step 2: Convert to fraction form
    328,073.20/452,741 = 177,170.20/x
  3. Step 3: Cross multiply
    328,073.20x = 452,741 × 177,170.20
  4. Step 4: Simplify right side
    328,073.20x = 80,212,213,518.20
  5. Step 5: Solve for x
    x = 80,212,213,518.20/328,073.20
  6. Step 6: Final answer
    x = 244,494.87

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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.