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Finding the Fourth Proportional to 554,648.88, 832,353.48 and 199,665.84

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Solution

The fourth proportional to 554,648.88, 832,353.48 and 199,665.84 is: 299,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,648.88 : 832,353.48 = 199,665.84 : x
  2. Step 2: Convert to fraction form
    554,648.88/832,353.48 = 199,665.84/x
  3. Step 3: Cross multiply
    554,648.88x = 832,353.48 × 199,665.84
  4. Step 4: Simplify right side
    554,648.88x = 166,192,556,761.12
  5. Step 5: Solve for x
    x = 166,192,556,761.12/554,648.88
  6. Step 6: Final answer
    x = 299,635.61

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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.