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Finding the Fourth Proportional to 448,408.72, 618,784.80 and 244,454.68

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Solution

The fourth proportional to 448,408.72, 618,784.80 and 244,454.68 is: 337,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,408.72 : 618,784.80 = 244,454.68 : x
  2. Step 2: Convert to fraction form
    448,408.72/618,784.80 = 244,454.68/x
  3. Step 3: Cross multiply
    448,408.72x = 618,784.80 × 244,454.68
  4. Step 4: Simplify right side
    448,408.72x = 151,264,840,272.86
  5. Step 5: Solve for x
    x = 151,264,840,272.86/448,408.72
  6. Step 6: Final answer
    x = 337,336.97

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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.