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Finding the Fourth Proportional to 354,124.73, 488,676.69 and 201,162.57

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Solution

The fourth proportional to 354,124.73, 488,676.69 and 201,162.57 is: 277,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,124.73 : 488,676.69 = 201,162.57 : x
  2. Step 2: Convert to fraction form
    354,124.73/488,676.69 = 201,162.57/x
  3. Step 3: Cross multiply
    354,124.73x = 488,676.69 × 201,162.57
  4. Step 4: Simplify right side
    354,124.73x = 98,303,458,859.49
  5. Step 5: Solve for x
    x = 98,303,458,859.49/354,124.73
  6. Step 6: Final answer
    x = 277,595.58

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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.