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Finding the Fourth Proportional to 446,428.73, 616,039.80 and 252,780.82

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Solution

The fourth proportional to 446,428.73, 616,039.80 and 252,780.82 is: 348,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,428.73 : 616,039.80 = 252,780.82 : x
  2. Step 2: Convert to fraction form
    446,428.73/616,039.80 = 252,780.82/x
  3. Step 3: Cross multiply
    446,428.73x = 616,039.80 × 252,780.82
  4. Step 4: Simplify right side
    446,428.73x = 155,723,043,308.61
  5. Step 5: Solve for x
    x = 155,723,043,308.61/446,428.73
  6. Step 6: Final answer
    x = 348,819.49

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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.