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Finding the Fourth Proportional to 369,583.05, 555,308.76 and 354,636.33

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Solution

The fourth proportional to 369,583.05, 555,308.76 and 354,636.33 is: 532,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,583.05 : 555,308.76 = 354,636.33 : x
  2. Step 2: Convert to fraction form
    369,583.05/555,308.76 = 354,636.33/x
  3. Step 3: Cross multiply
    369,583.05x = 555,308.76 × 354,636.33
  4. Step 4: Simplify right side
    369,583.05x = 196,932,659,910.73
  5. Step 5: Solve for x
    x = 196,932,659,910.73/369,583.05
  6. Step 6: Final answer
    x = 532,850.89

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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.