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Finding the Fourth Proportional to 541,103.33, 811,654.32 and 217,037.72

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Solution

The fourth proportional to 541,103.33, 811,654.32 and 217,037.72 is: 325,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,103.33 : 811,654.32 = 217,037.72 : x
  2. Step 2: Convert to fraction form
    541,103.33/811,654.32 = 217,037.72/x
  3. Step 3: Cross multiply
    541,103.33x = 811,654.32 × 217,037.72
  4. Step 4: Simplify right side
    541,103.33x = 176,159,603,040.95
  5. Step 5: Solve for x
    x = 176,159,603,040.95/541,103.33
  6. Step 6: Final answer
    x = 325,556.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.