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Finding the Fourth Proportional to 446,436.96, 616,087.56 and 242,489.88

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Solution

The fourth proportional to 446,436.96, 616,087.56 and 242,489.88 is: 334,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,436.96 : 616,087.56 = 242,489.88 : x
  2. Step 2: Convert to fraction form
    446,436.96/616,087.56 = 242,489.88/x
  3. Step 3: Cross multiply
    446,436.96x = 616,087.56 × 242,489.88
  4. Step 4: Simplify right side
    446,436.96x = 149,394,998,493.89
  5. Step 5: Solve for x
    x = 149,394,998,493.89/446,436.96
  6. Step 6: Final answer
    x = 334,638.51

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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.