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Finding the Fourth Proportional to 446,915.28, 616,755.24 and 242,979.92

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Solution

The fourth proportional to 446,915.28, 616,755.24 and 242,979.92 is: 335,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,915.28 : 616,755.24 = 242,979.92 : x
  2. Step 2: Convert to fraction form
    446,915.28/616,755.24 = 242,979.92/x
  3. Step 3: Cross multiply
    446,915.28x = 616,755.24 × 242,979.92
  4. Step 4: Simplify right side
    446,915.28x = 149,859,135,791.01
  5. Step 5: Solve for x
    x = 149,859,135,791.01/446,915.28
  6. Step 6: Final answer
    x = 335,318.89

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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.