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Finding the Fourth Proportional to 448,471, 618,894.82 and 244,520.26

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Solution

The fourth proportional to 448,471, 618,894.82 and 244,520.26 is: 337,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,471 : 618,894.82 = 244,520.26 : x
  2. Step 2: Convert to fraction form
    448,471/618,894.82 = 244,520.26/x
  3. Step 3: Cross multiply
    448,471x = 618,894.82 × 244,520.26
  4. Step 4: Simplify right side
    448,471x = 151,332,322,299.05
  5. Step 5: Solve for x
    x = 151,332,322,299.05/448,471
  6. Step 6: Final answer
    x = 337,440.60

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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.