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Finding the Fourth Proportional to 446,654.25, 616,375.17 and 242,708.40

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Solution

The fourth proportional to 446,654.25, 616,375.17 and 242,708.40 is: 334,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,654.25 : 616,375.17 = 242,708.40 : x
  2. Step 2: Convert to fraction form
    446,654.25/616,375.17 = 242,708.40/x
  3. Step 3: Cross multiply
    446,654.25x = 616,375.17 × 242,708.40
  4. Step 4: Simplify right side
    446,654.25x = 149,599,431,310.43
  5. Step 5: Solve for x
    x = 149,599,431,310.43/446,654.25
  6. Step 6: Final answer
    x = 334,933.41

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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.