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Finding the Fourth Proportional to 448,464.50, 618,885.84 and 244,513.76

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Solution

The fourth proportional to 448,464.50, 618,885.84 and 244,513.76 is: 337,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,464.50 : 618,885.84 = 244,513.76 : x
  2. Step 2: Convert to fraction form
    448,464.50/618,885.84 = 244,513.76/x
  3. Step 3: Cross multiply
    448,464.50x = 618,885.84 × 244,513.76
  4. Step 4: Simplify right side
    448,464.50x = 151,326,103,892.48
  5. Step 5: Solve for x
    x = 151,326,103,892.48/448,464.50
  6. Step 6: Final answer
    x = 337,431.62

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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.