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Finding the Fourth Proportional to 448,345.50, 618,704.39 and 244,400.39

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Solution

The fourth proportional to 448,345.50, 618,704.39 and 244,400.39 is: 337,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,345.50 : 618,704.39 = 244,400.39 : x
  2. Step 2: Convert to fraction form
    448,345.50/618,704.39 = 244,400.39/x
  3. Step 3: Cross multiply
    448,345.50x = 618,704.39 × 244,400.39
  4. Step 4: Simplify right side
    448,345.50x = 151,211,594,048.33
  5. Step 5: Solve for x
    x = 151,211,594,048.33/448,345.50
  6. Step 6: Final answer
    x = 337,265.78

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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.