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Finding the Fourth Proportional to 448,147.86, 618,444.12 and 244,198.81

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Solution

The fourth proportional to 448,147.86, 618,444.12 and 244,198.81 is: 336,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,147.86 : 618,444.12 = 244,198.81 : x
  2. Step 2: Convert to fraction form
    448,147.86/618,444.12 = 244,198.81/x
  3. Step 3: Cross multiply
    448,147.86x = 618,444.12 × 244,198.81
  4. Step 4: Simplify right side
    448,147.86x = 151,023,318,155.50
  5. Step 5: Solve for x
    x = 151,023,318,155.50/448,147.86
  6. Step 6: Final answer
    x = 336,994.40

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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.