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Finding the Fourth Proportional to 322,965.70, 484,448.55 and 252,904.90

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Solution

The fourth proportional to 322,965.70, 484,448.55 and 252,904.90 is: 379,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,965.70 : 484,448.55 = 252,904.90 : x
  2. Step 2: Convert to fraction form
    322,965.70/484,448.55 = 252,904.90/x
  3. Step 3: Cross multiply
    322,965.70x = 484,448.55 × 252,904.90
  4. Step 4: Simplify right side
    322,965.70x = 122,519,412,092.90
  5. Step 5: Solve for x
    x = 122,519,412,092.90/322,965.70
  6. Step 6: Final answer
    x = 379,357.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.