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Finding the Fourth Proportional to 452,393.22, 677,556.05 and 215,902.02

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Solution

The fourth proportional to 452,393.22, 677,556.05 and 215,902.02 is: 323,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,393.22 : 677,556.05 = 215,902.02 : x
  2. Step 2: Convert to fraction form
    452,393.22/677,556.05 = 215,902.02/x
  3. Step 3: Cross multiply
    452,393.22x = 677,556.05 × 215,902.02
  4. Step 4: Simplify right side
    452,393.22x = 146,285,718,778.71
  5. Step 5: Solve for x
    x = 146,285,718,778.71/452,393.22
  6. Step 6: Final answer
    x = 323,359.66

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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.