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Finding the Fourth Proportional to 448,078.33, 618,342.40 and 244,137.74

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Solution

The fourth proportional to 448,078.33, 618,342.40 and 244,137.74 is: 336,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,078.33 : 618,342.40 = 244,137.74 : x
  2. Step 2: Convert to fraction form
    448,078.33/618,342.40 = 244,137.74/x
  3. Step 3: Cross multiply
    448,078.33x = 618,342.40 × 244,137.74
  4. Step 4: Simplify right side
    448,078.33x = 150,960,716,082.18
  5. Step 5: Solve for x
    x = 150,960,716,082.18/448,078.33
  6. Step 6: Final answer
    x = 336,906.98

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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.